Home / 941,765.40-1,412,616.87-409,287.06

Finding the Fourth Proportional to 941,765.40, 1,412,616.87 and 409,287.06

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Solution

The fourth proportional to 941,765.40, 1,412,616.87 and 409,287.06 is: 613,917.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,765.40 : 1,412,616.87 = 409,287.06 : x
  2. Step 2: Convert to fraction form
    941,765.40/1,412,616.87 = 409,287.06/x
  3. Step 3: Cross multiply
    941,765.40x = 1,412,616.87 × 409,287.06
  4. Step 4: Simplify right side
    941,765.40x = 578,165,805,628.70
  5. Step 5: Solve for x
    x = 578,165,805,628.70/941,765.40
  6. Step 6: Final answer
    x = 613,917.02

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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.