Home / 908,342.24-1,253,452.12-545,781.38

Finding the Fourth Proportional to 908,342.24, 1,253,452.12 and 545,781.38

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Solution

The fourth proportional to 908,342.24, 1,253,452.12 and 545,781.38 is: 753,142.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,342.24 : 1,253,452.12 = 545,781.38 : x
  2. Step 2: Convert to fraction form
    908,342.24/1,253,452.12 = 545,781.38/x
  3. Step 3: Cross multiply
    908,342.24x = 1,253,452.12 × 545,781.38
  4. Step 4: Simplify right side
    908,342.24x = 684,110,820,185.81
  5. Step 5: Solve for x
    x = 684,110,820,185.81/908,342.24
  6. Step 6: Final answer
    x = 753,142.15

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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.