Home / 928,441.92-1,281,641.76-627,044.16

Finding the Fourth Proportional to 928,441.92, 1,281,641.76 and 627,044.16

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Solution

The fourth proportional to 928,441.92, 1,281,641.76 and 627,044.16 is: 865,585.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,441.92 : 1,281,641.76 = 627,044.16 : x
  2. Step 2: Convert to fraction form
    928,441.92/1,281,641.76 = 627,044.16/x
  3. Step 3: Cross multiply
    928,441.92x = 1,281,641.76 × 627,044.16
  4. Step 4: Simplify right side
    928,441.92x = 803,645,980,820.12
  5. Step 5: Solve for x
    x = 803,645,980,820.12/928,441.92
  6. Step 6: Final answer
    x = 865,585.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.