Home / 826,761.60-1,140,846.12-464,225.45

Finding the Fourth Proportional to 826,761.60, 1,140,846.12 and 464,225.45

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Solution

The fourth proportional to 826,761.60, 1,140,846.12 and 464,225.45 is: 640,583.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,761.60 : 1,140,846.12 = 464,225.45 : x
  2. Step 2: Convert to fraction form
    826,761.60/1,140,846.12 = 464,225.45/x
  3. Step 3: Cross multiply
    826,761.60x = 1,140,846.12 × 464,225.45
  4. Step 4: Simplify right side
    826,761.60x = 529,609,797,733.52
  5. Step 5: Solve for x
    x = 529,609,797,733.52/826,761.60
  6. Step 6: Final answer
    x = 640,583.45

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Double scale
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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.