Home / 1,244,152.80-1,866,229.20-1,140,933.60

Finding the Fourth Proportional to 1,244,152.80, 1,866,229.20 and 1,140,933.60

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Solution

The fourth proportional to 1,244,152.80, 1,866,229.20 and 1,140,933.60 is: 1,711,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,152.80 : 1,866,229.20 = 1,140,933.60 : x
  2. Step 2: Convert to fraction form
    1,244,152.80/1,866,229.20 = 1,140,933.60/x
  3. Step 3: Cross multiply
    1,244,152.80x = 1,866,229.20 × 1,140,933.60
  4. Step 4: Simplify right side
    1,244,152.80x = 2,129,243,599,581.12
  5. Step 5: Solve for x
    x = 2,129,243,599,581.12/1,244,152.80
  6. Step 6: Final answer
    x = 1,711,400.40

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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.