Home / 432,277.96-647,088.30-368,505.04

Finding the Fourth Proportional to 432,277.96, 647,088.30 and 368,505.04

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Solution

The fourth proportional to 432,277.96, 647,088.30 and 368,505.04 is: 551,624.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,277.96 : 647,088.30 = 368,505.04 : x
  2. Step 2: Convert to fraction form
    432,277.96/647,088.30 = 368,505.04/x
  3. Step 3: Cross multiply
    432,277.96x = 647,088.30 × 368,505.04
  4. Step 4: Simplify right side
    432,277.96x = 238,455,299,875.03
  5. Step 5: Solve for x
    x = 238,455,299,875.03/432,277.96
  6. Step 6: Final answer
    x = 551,624.93

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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.