Home / 628,226.28-942,349.38-154,911.76

Finding the Fourth Proportional to 628,226.28, 942,349.38 and 154,911.76

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Solution

The fourth proportional to 628,226.28, 942,349.38 and 154,911.76 is: 232,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,226.28 : 942,349.38 = 154,911.76 : x
  2. Step 2: Convert to fraction form
    628,226.28/942,349.38 = 154,911.76/x
  3. Step 3: Cross multiply
    628,226.28x = 942,349.38 × 154,911.76
  4. Step 4: Simplify right side
    628,226.28x = 145,981,000,990.71
  5. Step 5: Solve for x
    x = 145,981,000,990.71/628,226.28
  6. Step 6: Final answer
    x = 232,370.10

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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.