Home / 651,229.20-976,843.80-540,637.20

Finding the Fourth Proportional to 651,229.20, 976,843.80 and 540,637.20

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Solution

The fourth proportional to 651,229.20, 976,843.80 and 540,637.20 is: 810,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,229.20 : 976,843.80 = 540,637.20 : x
  2. Step 2: Convert to fraction form
    651,229.20/976,843.80 = 540,637.20/x
  3. Step 3: Cross multiply
    651,229.20x = 976,843.80 × 540,637.20
  4. Step 4: Simplify right side
    651,229.20x = 528,118,096,869.36
  5. Step 5: Solve for x
    x = 528,118,096,869.36/651,229.20
  6. Step 6: Final answer
    x = 810,955.80

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.