Home / 815,733.98-1,125,847.72-679,552.22

Finding the Fourth Proportional to 815,733.98, 1,125,847.72 and 679,552.22

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Solution

The fourth proportional to 815,733.98, 1,125,847.72 and 679,552.22 is: 937,894.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,733.98 : 1,125,847.72 = 679,552.22 : x
  2. Step 2: Convert to fraction form
    815,733.98/1,125,847.72 = 679,552.22/x
  3. Step 3: Cross multiply
    815,733.98x = 1,125,847.72 × 679,552.22
  4. Step 4: Simplify right side
    815,733.98x = 765,072,317,507.94
  5. Step 5: Solve for x
    x = 765,072,317,507.94/815,733.98
  6. Step 6: Final answer
    x = 937,894.38

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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.