Home / 851,913.60-1,275,211.20-627,527.04

Finding the Fourth Proportional to 851,913.60, 1,275,211.20 and 627,527.04

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Solution

The fourth proportional to 851,913.60, 1,275,211.20 and 627,527.04 is: 939,331.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,913.60 : 1,275,211.20 = 627,527.04 : x
  2. Step 2: Convert to fraction form
    851,913.60/1,275,211.20 = 627,527.04/x
  3. Step 3: Cross multiply
    851,913.60x = 1,275,211.20 × 627,527.04
  4. Step 4: Simplify right side
    851,913.60x = 800,229,509,710.85
  5. Step 5: Solve for x
    x = 800,229,509,710.85/851,913.60
  6. Step 6: Final answer
    x = 939,331.77

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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.