Home / 980,269.80-1,353,146.34-953,304.04

Finding the Fourth Proportional to 980,269.80, 1,353,146.34 and 953,304.04

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Solution

The fourth proportional to 980,269.80, 1,353,146.34 and 953,304.04 is: 1,315,923.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,269.80 : 1,353,146.34 = 953,304.04 : x
  2. Step 2: Convert to fraction form
    980,269.80/1,353,146.34 = 953,304.04/x
  3. Step 3: Cross multiply
    980,269.80x = 1,353,146.34 × 953,304.04
  4. Step 4: Simplify right side
    980,269.80x = 1,289,959,872,633.21
  5. Step 5: Solve for x
    x = 1,289,959,872,633.21/980,269.80
  6. Step 6: Final answer
    x = 1,315,923.30

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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.