Home / 418,926.20-578,130.48-227,951.96

Finding the Fourth Proportional to 418,926.20, 578,130.48 and 227,951.96

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Solution

The fourth proportional to 418,926.20, 578,130.48 and 227,951.96 is: 314,580.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,926.20 : 578,130.48 = 227,951.96 : x
  2. Step 2: Convert to fraction form
    418,926.20/578,130.48 = 227,951.96/x
  3. Step 3: Cross multiply
    418,926.20x = 578,130.48 × 227,951.96
  4. Step 4: Simplify right side
    418,926.20x = 131,785,973,161.09
  5. Step 5: Solve for x
    x = 131,785,973,161.09/418,926.20
  6. Step 6: Final answer
    x = 314,580.41

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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.