Home / 1,012,879.28-1,397,749.56-560,160.56

Finding the Fourth Proportional to 1,012,879.28, 1,397,749.56 and 560,160.56

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Solution

The fourth proportional to 1,012,879.28, 1,397,749.56 and 560,160.56 is: 773,008.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,879.28 : 1,397,749.56 = 560,160.56 : x
  2. Step 2: Convert to fraction form
    1,012,879.28/1,397,749.56 = 560,160.56/x
  3. Step 3: Cross multiply
    1,012,879.28x = 1,397,749.56 × 560,160.56
  4. Step 4: Simplify right side
    1,012,879.28x = 782,964,176,269.35
  5. Step 5: Solve for x
    x = 782,964,176,269.35/1,012,879.28
  6. Step 6: Final answer
    x = 773,008.38

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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.