Home / 941,996.40-1,412,557.20-409,243.20

Finding the Fourth Proportional to 941,996.40, 1,412,557.20 and 409,243.20

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Solution

The fourth proportional to 941,996.40, 1,412,557.20 and 409,243.20 is: 613,674.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,996.40 : 1,412,557.20 = 409,243.20 : x
  2. Step 2: Convert to fraction form
    941,996.40/1,412,557.20 = 409,243.20/x
  3. Step 3: Cross multiply
    941,996.40x = 1,412,557.20 × 409,243.20
  4. Step 4: Simplify right side
    941,996.40x = 578,079,428,711.04
  5. Step 5: Solve for x
    x = 578,079,428,711.04/941,996.40
  6. Step 6: Final answer
    x = 613,674.77

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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.