Home / 721,535.95-1,082,677.39-523,490.95

Finding the Fourth Proportional to 721,535.95, 1,082,677.39 and 523,490.95

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Solution

The fourth proportional to 721,535.95, 1,082,677.39 and 523,490.95 is: 785,507.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,535.95 : 1,082,677.39 = 523,490.95 : x
  2. Step 2: Convert to fraction form
    721,535.95/1,082,677.39 = 523,490.95/x
  3. Step 3: Cross multiply
    721,535.95x = 1,082,677.39 × 523,490.95
  4. Step 4: Simplify right side
    721,535.95x = 566,771,815,479.24
  5. Step 5: Solve for x
    x = 566,771,815,479.24/721,535.95
  6. Step 6: Final answer
    x = 785,507.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.