Home / 927,812.16-1,280,359.04-545,863.52

Finding the Fourth Proportional to 927,812.16, 1,280,359.04 and 545,863.52

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Solution

The fourth proportional to 927,812.16, 1,280,359.04 and 545,863.52 is: 753,278.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,812.16 : 1,280,359.04 = 545,863.52 : x
  2. Step 2: Convert to fraction form
    927,812.16/1,280,359.04 = 545,863.52/x
  3. Step 3: Cross multiply
    927,812.16x = 1,280,359.04 × 545,863.52
  4. Step 4: Simplify right side
    927,812.16x = 698,901,292,438.22
  5. Step 5: Solve for x
    x = 698,901,292,438.22/927,812.16
  6. Step 6: Final answer
    x = 753,278.87

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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.