Home / 434,733.30-651,796.20-257,148.90

Finding the Fourth Proportional to 434,733.30, 651,796.20 and 257,148.90

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Solution

The fourth proportional to 434,733.30, 651,796.20 and 257,148.90 is: 385,543.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,733.30 : 651,796.20 = 257,148.90 : x
  2. Step 2: Convert to fraction form
    434,733.30/651,796.20 = 257,148.90/x
  3. Step 3: Cross multiply
    434,733.30x = 651,796.20 × 257,148.90
  4. Step 4: Simplify right side
    434,733.30x = 167,608,675,854.18
  5. Step 5: Solve for x
    x = 167,608,675,854.18/434,733.30
  6. Step 6: Final answer
    x = 385,543.68

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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.