Home / 927,599.96-1,280,140.56-519,833.27

Finding the Fourth Proportional to 927,599.96, 1,280,140.56 and 519,833.27

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Solution

The fourth proportional to 927,599.96, 1,280,140.56 and 519,833.27 is: 717,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,599.96 : 1,280,140.56 = 519,833.27 : x
  2. Step 2: Convert to fraction form
    927,599.96/1,280,140.56 = 519,833.27/x
  3. Step 3: Cross multiply
    927,599.96x = 1,280,140.56 × 519,833.27
  4. Step 4: Simplify right side
    927,599.96x = 665,459,646,963.73
  5. Step 5: Solve for x
    x = 665,459,646,963.73/927,599.96
  6. Step 6: Final answer
    x = 717,399.40

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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.