Home / 927,221.70-1,391,034.15-528,053.70

Finding the Fourth Proportional to 927,221.70, 1,391,034.15 and 528,053.70

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Solution

The fourth proportional to 927,221.70, 1,391,034.15 and 528,053.70 is: 792,195.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,221.70 : 1,391,034.15 = 528,053.70 : x
  2. Step 2: Convert to fraction form
    927,221.70/1,391,034.15 = 528,053.70/x
  3. Step 3: Cross multiply
    927,221.70x = 1,391,034.15 × 528,053.70
  4. Step 4: Simplify right side
    927,221.70x = 734,540,729,733.86
  5. Step 5: Solve for x
    x = 734,540,729,733.86/927,221.70
  6. Step 6: Final answer
    x = 792,195.36

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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.