Home / 370,726.20-556,089.30-251,753.40

Finding the Fourth Proportional to 370,726.20, 556,089.30 and 251,753.40

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Solution

The fourth proportional to 370,726.20, 556,089.30 and 251,753.40 is: 377,630.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,726.20 : 556,089.30 = 251,753.40 : x
  2. Step 2: Convert to fraction form
    370,726.20/556,089.30 = 251,753.40/x
  3. Step 3: Cross multiply
    370,726.20x = 556,089.30 × 251,753.40
  4. Step 4: Simplify right side
    370,726.20x = 139,997,371,978.62
  5. Step 5: Solve for x
    x = 139,997,371,978.62/370,726.20
  6. Step 6: Final answer
    x = 377,630.10

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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.