Home / 927,778.56-1,280,214.90-545,665.92

Finding the Fourth Proportional to 927,778.56, 1,280,214.90 and 545,665.92

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Solution

The fourth proportional to 927,778.56, 1,280,214.90 and 545,665.92 is: 752,948.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,778.56 : 1,280,214.90 = 545,665.92 : x
  2. Step 2: Convert to fraction form
    927,778.56/1,280,214.90 = 545,665.92/x
  3. Step 3: Cross multiply
    927,778.56x = 1,280,214.90 × 545,665.92
  4. Step 4: Simplify right side
    927,778.56x = 698,569,641,206.21
  5. Step 5: Solve for x
    x = 698,569,641,206.21/927,778.56
  6. Step 6: Final answer
    x = 752,948.68

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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.