Home / 1,133,233.20-1,699,849.68-385,279.20

Finding the Fourth Proportional to 1,133,233.20, 1,699,849.68 and 385,279.20

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Solution

The fourth proportional to 1,133,233.20, 1,699,849.68 and 385,279.20 is: 577,918.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,233.20 : 1,699,849.68 = 385,279.20 : x
  2. Step 2: Convert to fraction form
    1,133,233.20/1,699,849.68 = 385,279.20/x
  3. Step 3: Cross multiply
    1,133,233.20x = 1,699,849.68 × 385,279.20
  4. Step 4: Simplify right side
    1,133,233.20x = 654,916,724,830.66
  5. Step 5: Solve for x
    x = 654,916,724,830.66/1,133,233.20
  6. Step 6: Final answer
    x = 577,918.76

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Double scale
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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.