Home / 941,960.40-1,412,503.20-409,207.20

Finding the Fourth Proportional to 941,960.40, 1,412,503.20 and 409,207.20

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Solution

The fourth proportional to 941,960.40, 1,412,503.20 and 409,207.20 is: 613,620.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,960.40 : 1,412,503.20 = 409,207.20 : x
  2. Step 2: Convert to fraction form
    941,960.40/1,412,503.20 = 409,207.20/x
  3. Step 3: Cross multiply
    941,960.40x = 1,412,503.20 × 409,207.20
  4. Step 4: Simplify right side
    941,960.40x = 578,006,479,463.04
  5. Step 5: Solve for x
    x = 578,006,479,463.04/941,960.40
  6. Step 6: Final answer
    x = 613,620.78

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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.