Home / 641,173.52-884,164.20-426,348.56

Finding the Fourth Proportional to 641,173.52, 884,164.20 and 426,348.56

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Solution

The fourth proportional to 641,173.52, 884,164.20 and 426,348.56 is: 587,925.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,173.52 : 884,164.20 = 426,348.56 : x
  2. Step 2: Convert to fraction form
    641,173.52/884,164.20 = 426,348.56/x
  3. Step 3: Cross multiply
    641,173.52x = 884,164.20 × 426,348.56
  4. Step 4: Simplify right side
    641,173.52x = 376,962,133,473.55
  5. Step 5: Solve for x
    x = 376,962,133,473.55/641,173.52
  6. Step 6: Final answer
    x = 587,925.30

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Double scale
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Similar ratio
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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.