Home / 1,129,761.83-1,559,065.25-613,511.12

Finding the Fourth Proportional to 1,129,761.83, 1,559,065.25 and 613,511.12

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Solution

The fourth proportional to 1,129,761.83, 1,559,065.25 and 613,511.12 is: 846,642.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,761.83 : 1,559,065.25 = 613,511.12 : x
  2. Step 2: Convert to fraction form
    1,129,761.83/1,559,065.25 = 613,511.12/x
  3. Step 3: Cross multiply
    1,129,761.83x = 1,559,065.25 × 613,511.12
  4. Step 4: Simplify right side
    1,129,761.83x = 956,503,864,613.02
  5. Step 5: Solve for x
    x = 956,503,864,613.02/1,129,761.83
  6. Step 6: Final answer
    x = 846,642.04

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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.