Home / 982,869.08-1,356,777.84-660,766

Finding the Fourth Proportional to 982,869.08, 1,356,777.84 and 660,766

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Solution

The fourth proportional to 982,869.08, 1,356,777.84 and 660,766 is: 912,138.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,869.08 : 1,356,777.84 = 660,766 : x
  2. Step 2: Convert to fraction form
    982,869.08/1,356,777.84 = 660,766/x
  3. Step 3: Cross multiply
    982,869.08x = 1,356,777.84 × 660,766
  4. Step 4: Simplify right side
    982,869.08x = 896,512,666,225.44
  5. Step 5: Solve for x
    x = 896,512,666,225.44/982,869.08
  6. Step 6: Final answer
    x = 912,138.44

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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.