Home / 941,738.72-1,412,576.56-409,259.75

Finding the Fourth Proportional to 941,738.72, 1,412,576.56 and 409,259.75

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Solution

The fourth proportional to 941,738.72, 1,412,576.56 and 409,259.75 is: 613,875.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,738.72 : 1,412,576.56 = 409,259.75 : x
  2. Step 2: Convert to fraction form
    941,738.72/1,412,576.56 = 409,259.75/x
  3. Step 3: Cross multiply
    941,738.72x = 1,412,576.56 × 409,259.75
  4. Step 4: Simplify right side
    941,738.72x = 578,110,729,801.46
  5. Step 5: Solve for x
    x = 578,110,729,801.46/941,738.72
  6. Step 6: Final answer
    x = 613,875.93

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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.