Home / 411,421.52-567,533.16-239,320.04

Finding the Fourth Proportional to 411,421.52, 567,533.16 and 239,320.04

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Solution

The fourth proportional to 411,421.52, 567,533.16 and 239,320.04 is: 330,128.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,421.52 : 567,533.16 = 239,320.04 : x
  2. Step 2: Convert to fraction form
    411,421.52/567,533.16 = 239,320.04/x
  3. Step 3: Cross multiply
    411,421.52x = 567,533.16 × 239,320.04
  4. Step 4: Simplify right side
    411,421.52x = 135,822,058,552.53
  5. Step 5: Solve for x
    x = 135,822,058,552.53/411,421.52
  6. Step 6: Final answer
    x = 330,128.72

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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.