Home / 955,039.77-1,318,142.16-547,414.83

Finding the Fourth Proportional to 955,039.77, 1,318,142.16 and 547,414.83

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Solution

The fourth proportional to 955,039.77, 1,318,142.16 and 547,414.83 is: 755,539.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,039.77 : 1,318,142.16 = 547,414.83 : x
  2. Step 2: Convert to fraction form
    955,039.77/1,318,142.16 = 547,414.83/x
  3. Step 3: Cross multiply
    955,039.77x = 1,318,142.16 × 547,414.83
  4. Step 4: Simplify right side
    955,039.77x = 721,570,566,432.23
  5. Step 5: Solve for x
    x = 721,570,566,432.23/955,039.77
  6. Step 6: Final answer
    x = 755,539.81

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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.