Home / 1,357,685.51-1,873,545.39-814,121.24

Finding the Fourth Proportional to 1,357,685.51, 1,873,545.39 and 814,121.24

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Solution

The fourth proportional to 1,357,685.51, 1,873,545.39 and 814,121.24 is: 1,123,450.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,685.51 : 1,873,545.39 = 814,121.24 : x
  2. Step 2: Convert to fraction form
    1,357,685.51/1,873,545.39 = 814,121.24/x
  3. Step 3: Cross multiply
    1,357,685.51x = 1,873,545.39 × 814,121.24
  4. Step 4: Simplify right side
    1,357,685.51x = 1,525,293,096,103.08
  5. Step 5: Solve for x
    x = 1,525,293,096,103.08/1,357,685.51
  6. Step 6: Final answer
    x = 1,123,450.96

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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.