Home / 922,148.10-1,383,222.15-620,998.20

Finding the Fourth Proportional to 922,148.10, 1,383,222.15 and 620,998.20

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Solution

The fourth proportional to 922,148.10, 1,383,222.15 and 620,998.20 is: 931,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,148.10 : 1,383,222.15 = 620,998.20 : x
  2. Step 2: Convert to fraction form
    922,148.10/1,383,222.15 = 620,998.20/x
  3. Step 3: Cross multiply
    922,148.10x = 1,383,222.15 × 620,998.20
  4. Step 4: Simplify right side
    922,148.10x = 858,978,465,350.13
  5. Step 5: Solve for x
    x = 858,978,465,350.13/922,148.10
  6. Step 6: Final answer
    x = 931,497.30

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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.