Home / 815,682.33-1,124,764-509,646.92

Finding the Fourth Proportional to 815,682.33, 1,124,764 and 509,646.92

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Solution

The fourth proportional to 815,682.33, 1,124,764 and 509,646.92 is: 702,764.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,682.33 : 1,124,764 = 509,646.92 : x
  2. Step 2: Convert to fraction form
    815,682.33/1,124,764 = 509,646.92/x
  3. Step 3: Cross multiply
    815,682.33x = 1,124,764 × 509,646.92
  4. Step 4: Simplify right side
    815,682.33x = 573,232,508,326.88
  5. Step 5: Solve for x
    x = 573,232,508,326.88/815,682.33
  6. Step 6: Final answer
    x = 702,764.41

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Double scale
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Similar ratio
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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.