Home / 409,865.51-614,839.25-125,552.76

Finding the Fourth Proportional to 409,865.51, 614,839.25 and 125,552.76

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Solution

The fourth proportional to 409,865.51, 614,839.25 and 125,552.76 is: 188,341.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,865.51 : 614,839.25 = 125,552.76 : x
  2. Step 2: Convert to fraction form
    409,865.51/614,839.25 = 125,552.76/x
  3. Step 3: Cross multiply
    409,865.51x = 614,839.25 × 125,552.76
  4. Step 4: Simplify right side
    409,865.51x = 77,194,764,793.83
  5. Step 5: Solve for x
    x = 77,194,764,793.83/409,865.51
  6. Step 6: Final answer
    x = 188,341.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.