Home / 1,154,739.20-1,732,109.76-313,291.04

Finding the Fourth Proportional to 1,154,739.20, 1,732,109.76 and 313,291.04

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Solution

The fourth proportional to 1,154,739.20, 1,732,109.76 and 313,291.04 is: 469,936.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,739.20 : 1,732,109.76 = 313,291.04 : x
  2. Step 2: Convert to fraction form
    1,154,739.20/1,732,109.76 = 313,291.04/x
  3. Step 3: Cross multiply
    1,154,739.20x = 1,732,109.76 × 313,291.04
  4. Step 4: Simplify right side
    1,154,739.20x = 542,654,468,104.55
  5. Step 5: Solve for x
    x = 542,654,468,104.55/1,154,739.20
  6. Step 6: Final answer
    x = 469,936.82

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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.