Home / 457,241.20-686,287.36-232,769.68

Finding the Fourth Proportional to 457,241.20, 686,287.36 and 232,769.68

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Solution

The fourth proportional to 457,241.20, 686,287.36 and 232,769.68 is: 349,371.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,241.20 : 686,287.36 = 232,769.68 : x
  2. Step 2: Convert to fraction form
    457,241.20/686,287.36 = 232,769.68/x
  3. Step 3: Cross multiply
    457,241.20x = 686,287.36 × 232,769.68
  4. Step 4: Simplify right side
    457,241.20x = 159,746,886,877.60
  5. Step 5: Solve for x
    x = 159,746,886,877.60/457,241.20
  6. Step 6: Final answer
    x = 349,371.16

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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.