Home / 928,397.91-1,281,192.38-584,461.40

Finding the Fourth Proportional to 928,397.91, 1,281,192.38 and 584,461.40

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Solution

The fourth proportional to 928,397.91, 1,281,192.38 and 584,461.40 is: 806,558.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,397.91 : 1,281,192.38 = 584,461.40 : x
  2. Step 2: Convert to fraction form
    928,397.91/1,281,192.38 = 584,461.40/x
  3. Step 3: Cross multiply
    928,397.91x = 1,281,192.38 × 584,461.40
  4. Step 4: Simplify right side
    928,397.91x = 748,807,482,755.86
  5. Step 5: Solve for x
    x = 748,807,482,755.86/928,397.91
  6. Step 6: Final answer
    x = 806,558.78

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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.