Home / 1,418,928.32-1,958,120.55-774,348.51

Finding the Fourth Proportional to 1,418,928.32, 1,958,120.55 and 774,348.51

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Solution

The fourth proportional to 1,418,928.32, 1,958,120.55 and 774,348.51 is: 1,068,600.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,928.32 : 1,958,120.55 = 774,348.51 : x
  2. Step 2: Convert to fraction form
    1,418,928.32/1,958,120.55 = 774,348.51/x
  3. Step 3: Cross multiply
    1,418,928.32x = 1,958,120.55 × 774,348.51
  4. Step 4: Simplify right side
    1,418,928.32x = 1,516,267,726,421.14
  5. Step 5: Solve for x
    x = 1,516,267,726,421.14/1,418,928.32
  6. Step 6: Final answer
    x = 1,068,600.65

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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.