Home / 993,854.60-1,490,781.90-926,932.40

Finding the Fourth Proportional to 993,854.60, 1,490,781.90 and 926,932.40

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Solution

The fourth proportional to 993,854.60, 1,490,781.90 and 926,932.40 is: 1,390,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,854.60 : 1,490,781.90 = 926,932.40 : x
  2. Step 2: Convert to fraction form
    993,854.60/1,490,781.90 = 926,932.40/x
  3. Step 3: Cross multiply
    993,854.60x = 1,490,781.90 × 926,932.40
  4. Step 4: Simplify right side
    993,854.60x = 1,381,854,044,443.56
  5. Step 5: Solve for x
    x = 1,381,854,044,443.56/993,854.60
  6. Step 6: Final answer
    x = 1,390,398.60

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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.