Home / 1,693,934.30-2,540,362.57-556,432.61

Finding the Fourth Proportional to 1,693,934.30, 2,540,362.57 and 556,432.61

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Solution

The fourth proportional to 1,693,934.30, 2,540,362.57 and 556,432.61 is: 834,471.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,934.30 : 2,540,362.57 = 556,432.61 : x
  2. Step 2: Convert to fraction form
    1,693,934.30/2,540,362.57 = 556,432.61/x
  3. Step 3: Cross multiply
    1,693,934.30x = 2,540,362.57 × 556,432.61
  4. Step 4: Simplify right side
    1,693,934.30x = 1,413,540,561,078.51
  5. Step 5: Solve for x
    x = 1,413,540,561,078.51/1,693,934.30
  6. Step 6: Final answer
    x = 834,471.89

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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.