Home / 1,198,763.40-1,798,265.36-345,856.17

Finding the Fourth Proportional to 1,198,763.40, 1,798,265.36 and 345,856.17

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Solution

The fourth proportional to 1,198,763.40, 1,798,265.36 and 345,856.17 is: 518,818.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,763.40 : 1,798,265.36 = 345,856.17 : x
  2. Step 2: Convert to fraction form
    1,198,763.40/1,798,265.36 = 345,856.17/x
  3. Step 3: Cross multiply
    1,198,763.40x = 1,798,265.36 × 345,856.17
  4. Step 4: Simplify right side
    1,198,763.40x = 621,941,170,053.27
  5. Step 5: Solve for x
    x = 621,941,170,053.27/1,198,763.40
  6. Step 6: Final answer
    x = 518,818.95

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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.