Home / 1,326,201.47-1,985,337.15-812,248.33

Finding the Fourth Proportional to 1,326,201.47, 1,985,337.15 and 812,248.33

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Solution

The fourth proportional to 1,326,201.47, 1,985,337.15 and 812,248.33 is: 1,215,944.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,201.47 : 1,985,337.15 = 812,248.33 : x
  2. Step 2: Convert to fraction form
    1,326,201.47/1,985,337.15 = 812,248.33/x
  3. Step 3: Cross multiply
    1,326,201.47x = 1,985,337.15 × 812,248.33
  4. Step 4: Simplify right side
    1,326,201.47x = 1,612,586,777,580.50
  5. Step 5: Solve for x
    x = 1,612,586,777,580.50/1,326,201.47
  6. Step 6: Final answer
    x = 1,215,944.05

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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.