Home / 753,073.02-1,129,609.97-472,787.10

Finding the Fourth Proportional to 753,073.02, 1,129,609.97 and 472,787.10

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Solution

The fourth proportional to 753,073.02, 1,129,609.97 and 472,787.10 is: 709,180.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,073.02 : 1,129,609.97 = 472,787.10 : x
  2. Step 2: Convert to fraction form
    753,073.02/1,129,609.97 = 472,787.10/x
  3. Step 3: Cross multiply
    753,073.02x = 1,129,609.97 × 472,787.10
  4. Step 4: Simplify right side
    753,073.02x = 534,065,021,847.39
  5. Step 5: Solve for x
    x = 534,065,021,847.39/753,073.02
  6. Step 6: Final answer
    x = 709,180.93

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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.