Home / 434,560.20-651,807.90-181,775.40

Finding the Fourth Proportional to 434,560.20, 651,807.90 and 181,775.40

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Solution

The fourth proportional to 434,560.20, 651,807.90 and 181,775.40 is: 272,649.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,560.20 : 651,807.90 = 181,775.40 : x
  2. Step 2: Convert to fraction form
    434,560.20/651,807.90 = 181,775.40/x
  3. Step 3: Cross multiply
    434,560.20x = 651,807.90 × 181,775.40
  4. Step 4: Simplify right side
    434,560.20x = 118,482,641,745.66
  5. Step 5: Solve for x
    x = 118,482,641,745.66/434,560.20
  6. Step 6: Final answer
    x = 272,649.55

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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.