Home / 1,357,684.88-1,873,544.53-814,120.61

Finding the Fourth Proportional to 1,357,684.88, 1,873,544.53 and 814,120.61

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Solution

The fourth proportional to 1,357,684.88, 1,873,544.53 and 814,120.61 is: 1,123,450.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,684.88 : 1,873,544.53 = 814,120.61 : x
  2. Step 2: Convert to fraction form
    1,357,684.88/1,873,544.53 = 814,120.61/x
  3. Step 3: Cross multiply
    1,357,684.88x = 1,873,544.53 × 814,120.61
  4. Step 4: Simplify right side
    1,357,684.88x = 1,525,291,213,590.46
  5. Step 5: Solve for x
    x = 1,525,291,213,590.46/1,357,684.88
  6. Step 6: Final answer
    x = 1,123,450.10

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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.