Home / 628,040.20-942,060.30-559,227.40

Finding the Fourth Proportional to 628,040.20, 942,060.30 and 559,227.40

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Solution

The fourth proportional to 628,040.20, 942,060.30 and 559,227.40 is: 838,841.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,040.20 : 942,060.30 = 559,227.40 : x
  2. Step 2: Convert to fraction form
    628,040.20/942,060.30 = 559,227.40/x
  3. Step 3: Cross multiply
    628,040.20x = 942,060.30 × 559,227.40
  4. Step 4: Simplify right side
    628,040.20x = 526,825,932,212.22
  5. Step 5: Solve for x
    x = 526,825,932,212.22/628,040.20
  6. Step 6: Final answer
    x = 838,841.10

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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.