Home / 1,768,581.39-2,652,613.70-869,781.90

Finding the Fourth Proportional to 1,768,581.39, 2,652,613.70 and 869,781.90

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Solution

The fourth proportional to 1,768,581.39, 2,652,613.70 and 869,781.90 is: 1,304,545.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,581.39 : 2,652,613.70 = 869,781.90 : x
  2. Step 2: Convert to fraction form
    1,768,581.39/2,652,613.70 = 869,781.90/x
  3. Step 3: Cross multiply
    1,768,581.39x = 2,652,613.70 × 869,781.90
  4. Step 4: Simplify right side
    1,768,581.39x = 2,307,195,379,603.12
  5. Step 5: Solve for x
    x = 2,307,195,379,603.12/1,768,581.39
  6. Step 6: Final answer
    x = 1,304,545.77

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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.