Home / 419,152.56-577,328.61-322,170.95

Finding the Fourth Proportional to 419,152.56, 577,328.61 and 322,170.95

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Solution

The fourth proportional to 419,152.56, 577,328.61 and 322,170.95 is: 443,748.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,152.56 : 577,328.61 = 322,170.95 : x
  2. Step 2: Convert to fraction form
    419,152.56/577,328.61 = 322,170.95/x
  3. Step 3: Cross multiply
    419,152.56x = 577,328.61 × 322,170.95
  4. Step 4: Simplify right side
    419,152.56x = 185,998,509,397.34
  5. Step 5: Solve for x
    x = 185,998,509,397.34/419,152.56
  6. Step 6: Final answer
    x = 443,748.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.