Home / 1,386,974.68-2,080,378.97-577,154.57

Finding the Fourth Proportional to 1,386,974.68, 2,080,378.97 and 577,154.57

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Solution

The fourth proportional to 1,386,974.68, 2,080,378.97 and 577,154.57 is: 865,697.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,974.68 : 2,080,378.97 = 577,154.57 : x
  2. Step 2: Convert to fraction form
    1,386,974.68/2,080,378.97 = 577,154.57/x
  3. Step 3: Cross multiply
    1,386,974.68x = 2,080,378.97 × 577,154.57
  4. Step 4: Simplify right side
    1,386,974.68x = 1,200,700,219,465.50
  5. Step 5: Solve for x
    x = 1,200,700,219,465.50/1,386,974.68
  6. Step 6: Final answer
    x = 865,697.29

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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.