Home / 838,074.75-1,156,341.47-493,924.38

Finding the Fourth Proportional to 838,074.75, 1,156,341.47 and 493,924.38

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Solution

The fourth proportional to 838,074.75, 1,156,341.47 and 493,924.38 is: 681,496.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,074.75 : 1,156,341.47 = 493,924.38 : x
  2. Step 2: Convert to fraction form
    838,074.75/1,156,341.47 = 493,924.38/x
  3. Step 3: Cross multiply
    838,074.75x = 1,156,341.47 × 493,924.38
  4. Step 4: Simplify right side
    838,074.75x = 571,145,241,168.42
  5. Step 5: Solve for x
    x = 571,145,241,168.42/838,074.75
  6. Step 6: Final answer
    x = 681,496.78

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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.