Home / 418,130.17-577,016.46-227,144.93

Finding the Fourth Proportional to 418,130.17, 577,016.46 and 227,144.93

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Solution

The fourth proportional to 418,130.17, 577,016.46 and 227,144.93 is: 313,458.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,130.17 : 577,016.46 = 227,144.93 : x
  2. Step 2: Convert to fraction form
    418,130.17/577,016.46 = 227,144.93/x
  3. Step 3: Cross multiply
    418,130.17x = 577,016.46 × 227,144.93
  4. Step 4: Simplify right side
    418,130.17x = 131,066,360,530.47
  5. Step 5: Solve for x
    x = 131,066,360,530.47/418,130.17
  6. Step 6: Final answer
    x = 313,458.27

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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.