Home / 1,358,234.57-1,873,954.98-814,171.86

Finding the Fourth Proportional to 1,358,234.57, 1,873,954.98 and 814,171.86

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Solution

The fourth proportional to 1,358,234.57, 1,873,954.98 and 814,171.86 is: 1,123,312.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,234.57 : 1,873,954.98 = 814,171.86 : x
  2. Step 2: Convert to fraction form
    1,358,234.57/1,873,954.98 = 814,171.86/x
  3. Step 3: Cross multiply
    1,358,234.57x = 1,873,954.98 × 814,171.86
  4. Step 4: Simplify right side
    1,358,234.57x = 1,525,721,411,622.86
  5. Step 5: Solve for x
    x = 1,525,721,411,622.86/1,358,234.57
  6. Step 6: Final answer
    x = 1,123,312.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.