Home / 817,327.01-1,127,916.88-454,766.15

Finding the Fourth Proportional to 817,327.01, 1,127,916.88 and 454,766.15

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Solution

The fourth proportional to 817,327.01, 1,127,916.88 and 454,766.15 is: 627,580.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,327.01 : 1,127,916.88 = 454,766.15 : x
  2. Step 2: Convert to fraction form
    817,327.01/1,127,916.88 = 454,766.15/x
  3. Step 3: Cross multiply
    817,327.01x = 1,127,916.88 × 454,766.15
  4. Step 4: Simplify right side
    817,327.01x = 512,938,417,037.61
  5. Step 5: Solve for x
    x = 512,938,417,037.61/817,327.01
  6. Step 6: Final answer
    x = 627,580.41

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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.