Home / 1,358,854.20-2,037,762.90-411,910.20

Finding the Fourth Proportional to 1,358,854.20, 2,037,762.90 and 411,910.20

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Solution

The fourth proportional to 1,358,854.20, 2,037,762.90 and 411,910.20 is: 617,708.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,854.20 : 2,037,762.90 = 411,910.20 : x
  2. Step 2: Convert to fraction form
    1,358,854.20/2,037,762.90 = 411,910.20/x
  3. Step 3: Cross multiply
    1,358,854.20x = 2,037,762.90 × 411,910.20
  4. Step 4: Simplify right side
    1,358,854.20x = 839,375,323,691.58
  5. Step 5: Solve for x
    x = 839,375,323,691.58/1,358,854.20
  6. Step 6: Final answer
    x = 617,708.16

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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.