Home / 838,322.04-1,156,705.02-498,723.96

Finding the Fourth Proportional to 838,322.04, 1,156,705.02 and 498,723.96

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Solution

The fourth proportional to 838,322.04, 1,156,705.02 and 498,723.96 is: 688,132.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,322.04 : 1,156,705.02 = 498,723.96 : x
  2. Step 2: Convert to fraction form
    838,322.04/1,156,705.02 = 498,723.96/x
  3. Step 3: Cross multiply
    838,322.04x = 1,156,705.02 × 498,723.96
  4. Step 4: Simplify right side
    838,322.04x = 576,876,508,126.28
  5. Step 5: Solve for x
    x = 576,876,508,126.28/838,322.04
  6. Step 6: Final answer
    x = 688,132.34

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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.