Home / 1,418,920.13-1,958,151.11-774,382.07

Finding the Fourth Proportional to 1,418,920.13, 1,958,151.11 and 774,382.07

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Solution

The fourth proportional to 1,418,920.13, 1,958,151.11 and 774,382.07 is: 1,068,669.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,920.13 : 1,958,151.11 = 774,382.07 : x
  2. Step 2: Convert to fraction form
    1,418,920.13/1,958,151.11 = 774,382.07/x
  3. Step 3: Cross multiply
    1,418,920.13x = 1,958,151.11 × 774,382.07
  4. Step 4: Simplify right side
    1,418,920.13x = 1,516,357,110,958.07
  5. Step 5: Solve for x
    x = 1,516,357,110,958.07/1,418,920.13
  6. Step 6: Final answer
    x = 1,068,669.81

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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.