Home / 826,761.53-1,140,930.90-464,193.18

Finding the Fourth Proportional to 826,761.53, 1,140,930.90 and 464,193.18

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Solution

The fourth proportional to 826,761.53, 1,140,930.90 and 464,193.18 is: 640,586.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,761.53 : 1,140,930.90 = 464,193.18 : x
  2. Step 2: Convert to fraction form
    826,761.53/1,140,930.90 = 464,193.18/x
  3. Step 3: Cross multiply
    826,761.53x = 1,140,930.90 × 464,193.18
  4. Step 4: Simplify right side
    826,761.53x = 529,612,342,631.26
  5. Step 5: Solve for x
    x = 529,612,342,631.26/826,761.53
  6. Step 6: Final answer
    x = 640,586.58

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1.5x scale

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.