Home / 838,017.12-1,156,588.14-493,743

Finding the Fourth Proportional to 838,017.12, 1,156,588.14 and 493,743

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Solution

The fourth proportional to 838,017.12, 1,156,588.14 and 493,743 is: 681,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,017.12 : 1,156,588.14 = 493,743 : x
  2. Step 2: Convert to fraction form
    838,017.12/1,156,588.14 = 493,743/x
  3. Step 3: Cross multiply
    838,017.12x = 1,156,588.14 × 493,743
  4. Step 4: Simplify right side
    838,017.12x = 571,057,298,008.02
  5. Step 5: Solve for x
    x = 571,057,298,008.02/838,017.12
  6. Step 6: Final answer
    x = 681,438.70

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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.