Home / 623,540.60-936,002.10-387,150.20

Finding the Fourth Proportional to 623,540.60, 936,002.10 and 387,150.20

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Solution

The fourth proportional to 623,540.60, 936,002.10 and 387,150.20 is: 581,154.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,540.60 : 936,002.10 = 387,150.20 : x
  2. Step 2: Convert to fraction form
    623,540.60/936,002.10 = 387,150.20/x
  3. Step 3: Cross multiply
    623,540.60x = 936,002.10 × 387,150.20
  4. Step 4: Simplify right side
    623,540.60x = 362,373,400,215.42
  5. Step 5: Solve for x
    x = 362,373,400,215.42/623,540.60
  6. Step 6: Final answer
    x = 581,154.46

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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.