Home / 941,738.71-1,412,576.80-409,260.25

Finding the Fourth Proportional to 941,738.71, 1,412,576.80 and 409,260.25

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Solution

The fourth proportional to 941,738.71, 1,412,576.80 and 409,260.25 is: 613,876.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,738.71 : 1,412,576.80 = 409,260.25 : x
  2. Step 2: Convert to fraction form
    941,738.71/1,412,576.80 = 409,260.25/x
  3. Step 3: Cross multiply
    941,738.71x = 1,412,576.80 × 409,260.25
  4. Step 4: Simplify right side
    941,738.71x = 578,111,534,312.20
  5. Step 5: Solve for x
    x = 578,111,534,312.20/941,738.71
  6. Step 6: Final answer
    x = 613,876.79

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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.