Home / 384,723.10-577,084.65-118,565.20

Finding the Fourth Proportional to 384,723.10, 577,084.65 and 118,565.20

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Solution

The fourth proportional to 384,723.10, 577,084.65 and 118,565.20 is: 177,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,723.10 : 577,084.65 = 118,565.20 : x
  2. Step 2: Convert to fraction form
    384,723.10/577,084.65 = 118,565.20/x
  3. Step 3: Cross multiply
    384,723.10x = 577,084.65 × 118,565.20
  4. Step 4: Simplify right side
    384,723.10x = 68,422,156,944.18
  5. Step 5: Solve for x
    x = 68,422,156,944.18/384,723.10
  6. Step 6: Final answer
    x = 177,847.80

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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.