Home / 982,868.09-1,356,776.46-660,765

Finding the Fourth Proportional to 982,868.09, 1,356,776.46 and 660,765

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Solution

The fourth proportional to 982,868.09, 1,356,776.46 and 660,765 is: 912,137.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,868.09 : 1,356,776.46 = 660,765 : x
  2. Step 2: Convert to fraction form
    982,868.09/1,356,776.46 = 660,765/x
  3. Step 3: Cross multiply
    982,868.09x = 1,356,776.46 × 660,765
  4. Step 4: Simplify right side
    982,868.09x = 896,510,397,591.90
  5. Step 5: Solve for x
    x = 896,510,397,591.90/982,868.09
  6. Step 6: Final answer
    x = 912,137.05

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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.