Home / 418,588.09-577,647.56-227,601.55

Finding the Fourth Proportional to 418,588.09, 577,647.56 and 227,601.55

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Solution

The fourth proportional to 418,588.09, 577,647.56 and 227,601.55 is: 314,087.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,588.09 : 577,647.56 = 227,601.55 : x
  2. Step 2: Convert to fraction form
    418,588.09/577,647.56 = 227,601.55/x
  3. Step 3: Cross multiply
    418,588.09x = 577,647.56 × 227,601.55
  4. Step 4: Simplify right side
    418,588.09x = 131,473,478,871.71
  5. Step 5: Solve for x
    x = 131,473,478,871.71/418,588.09
  6. Step 6: Final answer
    x = 314,087.96

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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.