Home / 1,156,848.38-1,735,221.45-315,400.22

Finding the Fourth Proportional to 1,156,848.38, 1,735,221.45 and 315,400.22

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Solution

The fourth proportional to 1,156,848.38, 1,735,221.45 and 315,400.22 is: 473,086.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,848.38 : 1,735,221.45 = 315,400.22 : x
  2. Step 2: Convert to fraction form
    1,156,848.38/1,735,221.45 = 315,400.22/x
  3. Step 3: Cross multiply
    1,156,848.38x = 1,735,221.45 × 315,400.22
  4. Step 4: Simplify right side
    1,156,848.38x = 547,289,227,078.72
  5. Step 5: Solve for x
    x = 547,289,227,078.72/1,156,848.38
  6. Step 6: Final answer
    x = 473,086.39

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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.