Home / 1,500,739.07-2,251,170.88-435,781.12

Finding the Fourth Proportional to 1,500,739.07, 2,251,170.88 and 435,781.12

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Solution

The fourth proportional to 1,500,739.07, 2,251,170.88 and 435,781.12 is: 653,689.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,739.07 : 2,251,170.88 = 435,781.12 : x
  2. Step 2: Convert to fraction form
    1,500,739.07/2,251,170.88 = 435,781.12/x
  3. Step 3: Cross multiply
    1,500,739.07x = 2,251,170.88 × 435,781.12
  4. Step 4: Simplify right side
    1,500,739.07x = 981,017,773,684.04
  5. Step 5: Solve for x
    x = 981,017,773,684.04/1,500,739.07
  6. Step 6: Final answer
    x = 653,689.77

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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.