Home / 769,098.81-1,061,367.48-424,942.66

Finding the Fourth Proportional to 769,098.81, 1,061,367.48 and 424,942.66

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Solution

The fourth proportional to 769,098.81, 1,061,367.48 and 424,942.66 is: 586,427.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,098.81 : 1,061,367.48 = 424,942.66 : x
  2. Step 2: Convert to fraction form
    769,098.81/1,061,367.48 = 424,942.66/x
  3. Step 3: Cross multiply
    769,098.81x = 1,061,367.48 × 424,942.66
  4. Step 4: Simplify right side
    769,098.81x = 451,020,320,188.70
  5. Step 5: Solve for x
    x = 451,020,320,188.70/769,098.81
  6. Step 6: Final answer
    x = 586,427.02

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1.5x scale

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.