Home / 886,726.20-1,329,311.70-531,881.40

Finding the Fourth Proportional to 886,726.20, 1,329,311.70 and 531,881.40

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Solution

The fourth proportional to 886,726.20, 1,329,311.70 and 531,881.40 is: 797,355.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,726.20 : 1,329,311.70 = 531,881.40 : x
  2. Step 2: Convert to fraction form
    886,726.20/1,329,311.70 = 531,881.40/x
  3. Step 3: Cross multiply
    886,726.20x = 1,329,311.70 × 531,881.40
  4. Step 4: Simplify right side
    886,726.20x = 707,036,168,032.38
  5. Step 5: Solve for x
    x = 707,036,168,032.38/886,726.20
  6. Step 6: Final answer
    x = 797,355.68

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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.