Home / 986,541.60-1,479,812.40-827,109.30

Finding the Fourth Proportional to 986,541.60, 1,479,812.40 and 827,109.30

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Solution

The fourth proportional to 986,541.60, 1,479,812.40 and 827,109.30 is: 1,240,663.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,541.60 : 1,479,812.40 = 827,109.30 : x
  2. Step 2: Convert to fraction form
    986,541.60/1,479,812.40 = 827,109.30/x
  3. Step 3: Cross multiply
    986,541.60x = 1,479,812.40 × 827,109.30
  4. Step 4: Simplify right side
    986,541.60x = 1,223,966,598,295.32
  5. Step 5: Solve for x
    x = 1,223,966,598,295.32/986,541.60
  6. Step 6: Final answer
    x = 1,240,663.95

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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.