Home / 1,155,330-1,594,232.75-639,001.85

Finding the Fourth Proportional to 1,155,330, 1,594,232.75 and 639,001.85

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Solution

The fourth proportional to 1,155,330, 1,594,232.75 and 639,001.85 is: 881,754.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,330 : 1,594,232.75 = 639,001.85 : x
  2. Step 2: Convert to fraction form
    1,155,330/1,594,232.75 = 639,001.85/x
  3. Step 3: Cross multiply
    1,155,330x = 1,594,232.75 × 639,001.85
  4. Step 4: Simplify right side
    1,155,330x = 1,018,717,665,414.41
  5. Step 5: Solve for x
    x = 1,018,717,665,414.41/1,155,330
  6. Step 6: Final answer
    x = 881,754.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.