Home / 1,036,664.70-1,554,997.05-859,517.70

Finding the Fourth Proportional to 1,036,664.70, 1,554,997.05 and 859,517.70

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Solution

The fourth proportional to 1,036,664.70, 1,554,997.05 and 859,517.70 is: 1,289,276.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,664.70 : 1,554,997.05 = 859,517.70 : x
  2. Step 2: Convert to fraction form
    1,036,664.70/1,554,997.05 = 859,517.70/x
  3. Step 3: Cross multiply
    1,036,664.70x = 1,554,997.05 × 859,517.70
  4. Step 4: Simplify right side
    1,036,664.70x = 1,336,547,487,922.78
  5. Step 5: Solve for x
    x = 1,336,547,487,922.78/1,036,664.70
  6. Step 6: Final answer
    x = 1,289,276.55

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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.