Home / 1,235,117.20-1,852,675.80-393,668.95

Finding the Fourth Proportional to 1,235,117.20, 1,852,675.80 and 393,668.95

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Solution

The fourth proportional to 1,235,117.20, 1,852,675.80 and 393,668.95 is: 590,503.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,117.20 : 1,852,675.80 = 393,668.95 : x
  2. Step 2: Convert to fraction form
    1,235,117.20/1,852,675.80 = 393,668.95/x
  3. Step 3: Cross multiply
    1,235,117.20x = 1,852,675.80 × 393,668.95
  4. Step 4: Simplify right side
    1,235,117.20x = 729,340,936,876.41
  5. Step 5: Solve for x
    x = 729,340,936,876.41/1,235,117.20
  6. Step 6: Final answer
    x = 590,503.43

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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.