Home / 1,129,930.60-1,559,315.47-613,694.57

Finding the Fourth Proportional to 1,129,930.60, 1,559,315.47 and 613,694.57

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Solution

The fourth proportional to 1,129,930.60, 1,559,315.47 and 613,694.57 is: 846,904.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,930.60 : 1,559,315.47 = 613,694.57 : x
  2. Step 2: Convert to fraction form
    1,129,930.60/1,559,315.47 = 613,694.57/x
  3. Step 3: Cross multiply
    1,129,930.60x = 1,559,315.47 × 613,694.57
  4. Step 4: Simplify right side
    1,129,930.60x = 956,943,436,856.00
  5. Step 5: Solve for x
    x = 956,943,436,856.00/1,129,930.60
  6. Step 6: Final answer
    x = 846,904.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.