Home / 418,351.90-577,330.10-227,365.30

Finding the Fourth Proportional to 418,351.90, 577,330.10 and 227,365.30

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Solution

The fourth proportional to 418,351.90, 577,330.10 and 227,365.30 is: 313,766.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,351.90 : 577,330.10 = 227,365.30 : x
  2. Step 2: Convert to fraction form
    418,351.90/577,330.10 = 227,365.30/x
  3. Step 3: Cross multiply
    418,351.90x = 577,330.10 × 227,365.30
  4. Step 4: Simplify right side
    418,351.90x = 131,264,831,385.53
  5. Step 5: Solve for x
    x = 131,264,831,385.53/418,351.90
  6. Step 6: Final answer
    x = 313,766.55

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1.5x scale

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.