Home / 423,337.20-584,102.13-239,580

Finding the Fourth Proportional to 423,337.20, 584,102.13 and 239,580

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Solution

The fourth proportional to 423,337.20, 584,102.13 and 239,580 is: 330,561.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,337.20 : 584,102.13 = 239,580 : x
  2. Step 2: Convert to fraction form
    423,337.20/584,102.13 = 239,580/x
  3. Step 3: Cross multiply
    423,337.20x = 584,102.13 × 239,580
  4. Step 4: Simplify right side
    423,337.20x = 139,939,188,305.40
  5. Step 5: Solve for x
    x = 139,939,188,305.40/423,337.20
  6. Step 6: Final answer
    x = 330,561.99

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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.