Home / 418,144.95-577,011.60-227,154.24

Finding the Fourth Proportional to 418,144.95, 577,011.60 and 227,154.24

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Solution

The fourth proportional to 418,144.95, 577,011.60 and 227,154.24 is: 313,457.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,144.95 : 577,011.60 = 227,154.24 : x
  2. Step 2: Convert to fraction form
    418,144.95/577,011.60 = 227,154.24/x
  3. Step 3: Cross multiply
    418,144.95x = 577,011.60 × 227,154.24
  4. Step 4: Simplify right side
    418,144.95x = 131,070,631,469.18
  5. Step 5: Solve for x
    x = 131,070,631,469.18/418,144.95
  6. Step 6: Final answer
    x = 313,457.41

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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.