Home / 631,999.20-947,998.80-614,503.20

Finding the Fourth Proportional to 631,999.20, 947,998.80 and 614,503.20

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Solution

The fourth proportional to 631,999.20, 947,998.80 and 614,503.20 is: 921,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,999.20 : 947,998.80 = 614,503.20 : x
  2. Step 2: Convert to fraction form
    631,999.20/947,998.80 = 614,503.20/x
  3. Step 3: Cross multiply
    631,999.20x = 947,998.80 × 614,503.20
  4. Step 4: Simplify right side
    631,999.20x = 582,548,296,196.16
  5. Step 5: Solve for x
    x = 582,548,296,196.16/631,999.20
  6. Step 6: Final answer
    x = 921,754.80

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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.