Home / 866,400.11-1,195,266.02-580,012.46

Finding the Fourth Proportional to 866,400.11, 1,195,266.02 and 580,012.46

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Solution

The fourth proportional to 866,400.11, 1,195,266.02 and 580,012.46 is: 800,172.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,400.11 : 1,195,266.02 = 580,012.46 : x
  2. Step 2: Convert to fraction form
    866,400.11/1,195,266.02 = 580,012.46/x
  3. Step 3: Cross multiply
    866,400.11x = 1,195,266.02 × 580,012.46
  4. Step 4: Simplify right side
    866,400.11x = 693,269,184,614.61
  5. Step 5: Solve for x
    x = 693,269,184,614.61/866,400.11
  6. Step 6: Final answer
    x = 800,172.09

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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.