Home / 1,386,298.51-2,079,684.20-618,074.96

Finding the Fourth Proportional to 1,386,298.51, 2,079,684.20 and 618,074.96

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Solution

The fourth proportional to 1,386,298.51, 2,079,684.20 and 618,074.96 is: 927,217.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,298.51 : 2,079,684.20 = 618,074.96 : x
  2. Step 2: Convert to fraction form
    1,386,298.51/2,079,684.20 = 618,074.96/x
  3. Step 3: Cross multiply
    1,386,298.51x = 2,079,684.20 × 618,074.96
  4. Step 4: Simplify right side
    1,386,298.51x = 1,285,400,719,874.40
  5. Step 5: Solve for x
    x = 1,285,400,719,874.40/1,386,298.51
  6. Step 6: Final answer
    x = 927,217.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.