Home / 1,941,542.96-2,912,117.61-521,414.51

Finding the Fourth Proportional to 1,941,542.96, 2,912,117.61 and 521,414.51

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Solution

The fourth proportional to 1,941,542.96, 2,912,117.61 and 521,414.51 is: 782,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,542.96 : 2,912,117.61 = 521,414.51 : x
  2. Step 2: Convert to fraction form
    1,941,542.96/2,912,117.61 = 521,414.51/x
  3. Step 3: Cross multiply
    1,941,542.96x = 2,912,117.61 × 521,414.51
  4. Step 4: Simplify right side
    1,941,542.96x = 1,518,420,376,680.52
  5. Step 5: Solve for x
    x = 1,518,420,376,680.52/1,941,542.96
  6. Step 6: Final answer
    x = 782,068.90

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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.