Home / 983,422.80-1,475,134.20-867,949.20

Finding the Fourth Proportional to 983,422.80, 1,475,134.20 and 867,949.20

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Solution

The fourth proportional to 983,422.80, 1,475,134.20 and 867,949.20 is: 1,301,923.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,422.80 : 1,475,134.20 = 867,949.20 : x
  2. Step 2: Convert to fraction form
    983,422.80/1,475,134.20 = 867,949.20/x
  3. Step 3: Cross multiply
    983,422.80x = 1,475,134.20 × 867,949.20
  4. Step 4: Simplify right side
    983,422.80x = 1,280,341,548,782.64
  5. Step 5: Solve for x
    x = 1,280,341,548,782.64/983,422.80
  6. Step 6: Final answer
    x = 1,301,923.80

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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.