Home / 916,781.27-1,265,238.20-534,931.07

Finding the Fourth Proportional to 916,781.27, 1,265,238.20 and 534,931.07

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Solution

The fourth proportional to 916,781.27, 1,265,238.20 and 534,931.07 is: 738,251.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,781.27 : 1,265,238.20 = 534,931.07 : x
  2. Step 2: Convert to fraction form
    916,781.27/1,265,238.20 = 534,931.07/x
  3. Step 3: Cross multiply
    916,781.27x = 1,265,238.20 × 534,931.07
  4. Step 4: Simplify right side
    916,781.27x = 676,815,215,130.03
  5. Step 5: Solve for x
    x = 676,815,215,130.03/916,781.27
  6. Step 6: Final answer
    x = 738,251.58

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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.