Home / 1,398,734.93-2,098,095.46-1,208,616.74

Finding the Fourth Proportional to 1,398,734.93, 2,098,095.46 and 1,208,616.74

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Solution

The fourth proportional to 1,398,734.93, 2,098,095.46 and 1,208,616.74 is: 1,812,919.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,734.93 : 2,098,095.46 = 1,208,616.74 : x
  2. Step 2: Convert to fraction form
    1,398,734.93/2,098,095.46 = 1,208,616.74/x
  3. Step 3: Cross multiply
    1,398,734.93x = 2,098,095.46 × 1,208,616.74
  4. Step 4: Simplify right side
    1,398,734.93x = 2,535,793,289,429.84
  5. Step 5: Solve for x
    x = 2,535,793,289,429.84/1,398,734.93
  6. Step 6: Final answer
    x = 1,812,919.11

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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.