Home / 872,204.80-1,204,119.12-528,099.52

Finding the Fourth Proportional to 872,204.80, 1,204,119.12 and 528,099.52

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Solution

The fourth proportional to 872,204.80, 1,204,119.12 and 528,099.52 is: 729,065.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,204.80 : 1,204,119.12 = 528,099.52 : x
  2. Step 2: Convert to fraction form
    872,204.80/1,204,119.12 = 528,099.52/x
  3. Step 3: Cross multiply
    872,204.80x = 1,204,119.12 × 528,099.52
  4. Step 4: Simplify right side
    872,204.80x = 635,894,729,294.82
  5. Step 5: Solve for x
    x = 635,894,729,294.82/872,204.80
  6. Step 6: Final answer
    x = 729,065.84

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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.