Home / 872,853.57-1,204,257.88-528,579.68

Finding the Fourth Proportional to 872,853.57, 1,204,257.88 and 528,579.68

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Solution

The fourth proportional to 872,853.57, 1,204,257.88 and 528,579.68 is: 729,270.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,853.57 : 1,204,257.88 = 528,579.68 : x
  2. Step 2: Convert to fraction form
    872,853.57/1,204,257.88 = 528,579.68/x
  3. Step 3: Cross multiply
    872,853.57x = 1,204,257.88 × 528,579.68
  4. Step 4: Simplify right side
    872,853.57x = 636,546,239,487.31
  5. Step 5: Solve for x
    x = 636,546,239,487.31/872,853.57
  6. Step 6: Final answer
    x = 729,270.36

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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.