Home / 982,896.31-1,356,815.31-660,793.15

Finding the Fourth Proportional to 982,896.31, 1,356,815.31 and 660,793.15

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Solution

The fourth proportional to 982,896.31, 1,356,815.31 and 660,793.15 is: 912,175.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,896.31 : 1,356,815.31 = 660,793.15 : x
  2. Step 2: Convert to fraction form
    982,896.31/1,356,815.31 = 660,793.15/x
  3. Step 3: Cross multiply
    982,896.31x = 1,356,815.31 × 660,793.15
  4. Step 4: Simplify right side
    982,896.31x = 896,574,262,663.13
  5. Step 5: Solve for x
    x = 896,574,262,663.13/982,896.31
  6. Step 6: Final answer
    x = 912,175.84

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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.