Home / 1,465,325.20-2,198,643.90-666,195.40

Finding the Fourth Proportional to 1,465,325.20, 2,198,643.90 and 666,195.40

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Solution

The fourth proportional to 1,465,325.20, 2,198,643.90 and 666,195.40 is: 999,591.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,325.20 : 2,198,643.90 = 666,195.40 : x
  2. Step 2: Convert to fraction form
    1,465,325.20/2,198,643.90 = 666,195.40/x
  3. Step 3: Cross multiply
    1,465,325.20x = 2,198,643.90 × 666,195.40
  4. Step 4: Simplify right side
    1,465,325.20x = 1,464,726,452,418.06
  5. Step 5: Solve for x
    x = 1,464,726,452,418.06/1,465,325.20
  6. Step 6: Final answer
    x = 999,591.39

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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.