Home / 1,129,855.38-1,559,195.10-613,605.66

Finding the Fourth Proportional to 1,129,855.38, 1,559,195.10 and 613,605.66

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Solution

The fourth proportional to 1,129,855.38, 1,559,195.10 and 613,605.66 is: 846,772.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,855.38 : 1,559,195.10 = 613,605.66 : x
  2. Step 2: Convert to fraction form
    1,129,855.38/1,559,195.10 = 613,605.66/x
  3. Step 3: Cross multiply
    1,129,855.38x = 1,559,195.10 × 613,605.66
  4. Step 4: Simplify right side
    1,129,855.38x = 956,730,938,404.27
  5. Step 5: Solve for x
    x = 956,730,938,404.27/1,129,855.38
  6. Step 6: Final answer
    x = 846,772.92

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.