Home / 526,916.41-790,376.55-127,556.44

Finding the Fourth Proportional to 526,916.41, 790,376.55 and 127,556.44

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Solution

The fourth proportional to 526,916.41, 790,376.55 and 127,556.44 is: 191,335.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,916.41 : 790,376.55 = 127,556.44 : x
  2. Step 2: Convert to fraction form
    526,916.41/790,376.55 = 127,556.44/x
  3. Step 3: Cross multiply
    526,916.41x = 790,376.55 × 127,556.44
  4. Step 4: Simplify right side
    526,916.41x = 100,817,618,977.48
  5. Step 5: Solve for x
    x = 100,817,618,977.48/526,916.41
  6. Step 6: Final answer
    x = 191,335.13

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.