Home / 1,358,234.90-1,873,955.41-814,172.18

Finding the Fourth Proportional to 1,358,234.90, 1,873,955.41 and 814,172.18

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Solution

The fourth proportional to 1,358,234.90, 1,873,955.41 and 814,172.18 is: 1,123,312.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,234.90 : 1,873,955.41 = 814,172.18 : x
  2. Step 2: Convert to fraction form
    1,358,234.90/1,873,955.41 = 814,172.18/x
  3. Step 3: Cross multiply
    1,358,234.90x = 1,873,955.41 × 814,172.18
  4. Step 4: Simplify right side
    1,358,234.90x = 1,525,722,352,012.72
  5. Step 5: Solve for x
    x = 1,525,722,352,012.72/1,358,234.90
  6. Step 6: Final answer
    x = 1,123,312.59

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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.