Home / 1,133,133.30-1,699,699.95-385,179.30

Finding the Fourth Proportional to 1,133,133.30, 1,699,699.95 and 385,179.30

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Solution

The fourth proportional to 1,133,133.30, 1,699,699.95 and 385,179.30 is: 577,768.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,133.30 : 1,699,699.95 = 385,179.30 : x
  2. Step 2: Convert to fraction form
    1,133,133.30/1,699,699.95 = 385,179.30/x
  3. Step 3: Cross multiply
    1,133,133.30x = 1,699,699.95 × 385,179.30
  4. Step 4: Simplify right side
    1,133,133.30x = 654,689,236,951.04
  5. Step 5: Solve for x
    x = 654,689,236,951.04/1,133,133.30
  6. Step 6: Final answer
    x = 577,768.95

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Half scale
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Double scale
Find fourth proportional to 1,133,134.30, 1,699,701.45 and 385,180.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.