Home / 413,740.90-620,611.35-272,023.30

Finding the Fourth Proportional to 413,740.90, 620,611.35 and 272,023.30

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Solution

The fourth proportional to 413,740.90, 620,611.35 and 272,023.30 is: 408,034.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,740.90 : 620,611.35 = 272,023.30 : x
  2. Step 2: Convert to fraction form
    413,740.90/620,611.35 = 272,023.30/x
  3. Step 3: Cross multiply
    413,740.90x = 620,611.35 × 272,023.30
  4. Step 4: Simplify right side
    413,740.90x = 168,820,747,444.46
  5. Step 5: Solve for x
    x = 168,820,747,444.46/413,740.90
  6. Step 6: Final answer
    x = 408,034.95

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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.