Home / 920,890.62-1,374,582.15-853,349.04

Finding the Fourth Proportional to 920,890.62, 1,374,582.15 and 853,349.04

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Solution

The fourth proportional to 920,890.62, 1,374,582.15 and 853,349.04 is: 1,273,765.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,890.62 : 1,374,582.15 = 853,349.04 : x
  2. Step 2: Convert to fraction form
    920,890.62/1,374,582.15 = 853,349.04/x
  3. Step 3: Cross multiply
    920,890.62x = 1,374,582.15 × 853,349.04
  4. Step 4: Simplify right side
    920,890.62x = 1,172,998,358,103.64
  5. Step 5: Solve for x
    x = 1,172,998,358,103.64/920,890.62
  6. Step 6: Final answer
    x = 1,273,765.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.