Home / 864,130.11-1,192,166.96-541,278.15

Finding the Fourth Proportional to 864,130.11, 1,192,166.96 and 541,278.15

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Solution

The fourth proportional to 864,130.11, 1,192,166.96 and 541,278.15 is: 746,755.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,130.11 : 1,192,166.96 = 541,278.15 : x
  2. Step 2: Convert to fraction form
    864,130.11/1,192,166.96 = 541,278.15/x
  3. Step 3: Cross multiply
    864,130.11x = 1,192,166.96 × 541,278.15
  4. Step 4: Simplify right side
    864,130.11x = 645,293,923,893.53
  5. Step 5: Solve for x
    x = 645,293,923,893.53/864,130.11
  6. Step 6: Final answer
    x = 746,755.51

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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.