Home / 892,805.77-1,232,425.29-621,031.38

Finding the Fourth Proportional to 892,805.77, 1,232,425.29 and 621,031.38

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Solution

The fourth proportional to 892,805.77, 1,232,425.29 and 621,031.38 is: 857,269.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,805.77 : 1,232,425.29 = 621,031.38 : x
  2. Step 2: Convert to fraction form
    892,805.77/1,232,425.29 = 621,031.38/x
  3. Step 3: Cross multiply
    892,805.77x = 1,232,425.29 × 621,031.38
  4. Step 4: Simplify right side
    892,805.77x = 765,374,775,490.44
  5. Step 5: Solve for x
    x = 765,374,775,490.44/892,805.77
  6. Step 6: Final answer
    x = 857,269.07

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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.