Home / 685,689.94-1,024,365.11-443,833.66

Finding the Fourth Proportional to 685,689.94, 1,024,365.11 and 443,833.66

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Solution

The fourth proportional to 685,689.94, 1,024,365.11 and 443,833.66 is: 663,051.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,689.94 : 1,024,365.11 = 443,833.66 : x
  2. Step 2: Convert to fraction form
    685,689.94/1,024,365.11 = 443,833.66/x
  3. Step 3: Cross multiply
    685,689.94x = 1,024,365.11 × 443,833.66
  4. Step 4: Simplify right side
    685,689.94x = 454,647,715,947.60
  5. Step 5: Solve for x
    x = 454,647,715,947.60/685,689.94
  6. Step 6: Final answer
    x = 663,051.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.