Home / 418,230.32-577,159.98-227,244.20

Finding the Fourth Proportional to 418,230.32, 577,159.98 and 227,244.20

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Solution

The fourth proportional to 418,230.32, 577,159.98 and 227,244.20 is: 313,598.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,230.32 : 577,159.98 = 227,244.20 : x
  2. Step 2: Convert to fraction form
    418,230.32/577,159.98 = 227,244.20/x
  3. Step 3: Cross multiply
    418,230.32x = 577,159.98 × 227,244.20
  4. Step 4: Simplify right side
    418,230.32x = 131,156,257,927.12
  5. Step 5: Solve for x
    x = 131,156,257,927.12/418,230.32
  6. Step 6: Final answer
    x = 313,598.16

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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.