Home / 838,078.13-1,156,346.12-493,927.76

Finding the Fourth Proportional to 838,078.13, 1,156,346.12 and 493,927.76

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Solution

The fourth proportional to 838,078.13, 1,156,346.12 and 493,927.76 is: 681,501.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,078.13 : 1,156,346.12 = 493,927.76 : x
  2. Step 2: Convert to fraction form
    838,078.13/1,156,346.12 = 493,927.76/x
  3. Step 3: Cross multiply
    838,078.13x = 1,156,346.12 × 493,927.76
  4. Step 4: Simplify right side
    838,078.13x = 571,151,444,289.38
  5. Step 5: Solve for x
    x = 571,151,444,289.38/838,078.13
  6. Step 6: Final answer
    x = 681,501.43

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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.