Home / 955,223.35-1,320,099.53-782,869.48

Finding the Fourth Proportional to 955,223.35, 1,320,099.53 and 782,869.48

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Solution

The fourth proportional to 955,223.35, 1,320,099.53 and 782,869.48 is: 1,081,909.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,223.35 : 1,320,099.53 = 782,869.48 : x
  2. Step 2: Convert to fraction form
    955,223.35/1,320,099.53 = 782,869.48/x
  3. Step 3: Cross multiply
    955,223.35x = 1,320,099.53 × 782,869.48
  4. Step 4: Simplify right side
    955,223.35x = 1,033,465,625,384.75
  5. Step 5: Solve for x
    x = 1,033,465,625,384.75/955,223.35
  6. Step 6: Final answer
    x = 1,081,909.93

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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.