Home / 418,526.34-577,563.51-227,539.73

Finding the Fourth Proportional to 418,526.34, 577,563.51 and 227,539.73

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Solution

The fourth proportional to 418,526.34, 577,563.51 and 227,539.73 is: 314,003.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,526.34 : 577,563.51 = 227,539.73 : x
  2. Step 2: Convert to fraction form
    418,526.34/577,563.51 = 227,539.73/x
  3. Step 3: Cross multiply
    418,526.34x = 577,563.51 × 227,539.73
  4. Step 4: Simplify right side
    418,526.34x = 131,418,643,985.55
  5. Step 5: Solve for x
    x = 131,418,643,985.55/418,526.34
  6. Step 6: Final answer
    x = 314,003.28

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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.