Home / 1,515,658.11-2,091,459.33-836,550.87

Finding the Fourth Proportional to 1,515,658.11, 2,091,459.33 and 836,550.87

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Solution

The fourth proportional to 1,515,658.11, 2,091,459.33 and 836,550.87 is: 1,154,358.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,658.11 : 2,091,459.33 = 836,550.87 : x
  2. Step 2: Convert to fraction form
    1,515,658.11/2,091,459.33 = 836,550.87/x
  3. Step 3: Cross multiply
    1,515,658.11x = 2,091,459.33 × 836,550.87
  4. Step 4: Simplify right side
    1,515,658.11x = 1,749,612,122,081.12
  5. Step 5: Solve for x
    x = 1,749,612,122,081.12/1,515,658.11
  6. Step 6: Final answer
    x = 1,154,358.04

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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.