Home / 1,198,689.95-1,798,744.31-441,063.45

Finding the Fourth Proportional to 1,198,689.95, 1,798,744.31 and 441,063.45

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Solution

The fourth proportional to 1,198,689.95, 1,798,744.31 and 441,063.45 is: 661,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,689.95 : 1,798,744.31 = 441,063.45 : x
  2. Step 2: Convert to fraction form
    1,198,689.95/1,798,744.31 = 441,063.45/x
  3. Step 3: Cross multiply
    1,198,689.95x = 1,798,744.31 × 441,063.45
  4. Step 4: Simplify right side
    1,198,689.95x = 793,360,371,036.47
  5. Step 5: Solve for x
    x = 793,360,371,036.47/1,198,689.95
  6. Step 6: Final answer
    x = 661,856.20

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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.