Home / 735,737.72-1,015,344.78-413,454.20

Finding the Fourth Proportional to 735,737.72, 1,015,344.78 and 413,454.20

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Solution

The fourth proportional to 735,737.72, 1,015,344.78 and 413,454.20 is: 570,581.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,737.72 : 1,015,344.78 = 413,454.20 : x
  2. Step 2: Convert to fraction form
    735,737.72/1,015,344.78 = 413,454.20/x
  3. Step 3: Cross multiply
    735,737.72x = 1,015,344.78 × 413,454.20
  4. Step 4: Simplify right side
    735,737.72x = 419,798,563,739.08
  5. Step 5: Solve for x
    x = 419,798,563,739.08/735,737.72
  6. Step 6: Final answer
    x = 570,581.82

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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.