Home / 976,427.40-1,464,641.10-822,462.60

Finding the Fourth Proportional to 976,427.40, 1,464,641.10 and 822,462.60

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Solution

The fourth proportional to 976,427.40, 1,464,641.10 and 822,462.60 is: 1,233,693.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,427.40 : 1,464,641.10 = 822,462.60 : x
  2. Step 2: Convert to fraction form
    976,427.40/1,464,641.10 = 822,462.60/x
  3. Step 3: Cross multiply
    976,427.40x = 1,464,641.10 × 822,462.60
  4. Step 4: Simplify right side
    976,427.40x = 1,204,612,527,172.86
  5. Step 5: Solve for x
    x = 1,204,612,527,172.86/976,427.40
  6. Step 6: Final answer
    x = 1,233,693.90

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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.