Home / 638,746.20-955,243.39-568,084.23

Finding the Fourth Proportional to 638,746.20, 955,243.39 and 568,084.23

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Solution

The fourth proportional to 638,746.20, 955,243.39 and 568,084.23 is: 849,568.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,746.20 : 955,243.39 = 568,084.23 : x
  2. Step 2: Convert to fraction form
    638,746.20/955,243.39 = 568,084.23/x
  3. Step 3: Cross multiply
    638,746.20x = 955,243.39 × 568,084.23
  4. Step 4: Simplify right side
    638,746.20x = 542,658,705,670.74
  5. Step 5: Solve for x
    x = 542,658,705,670.74/638,746.20
  6. Step 6: Final answer
    x = 849,568.59

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Double scale
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1.5x scale

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.