Home / 565,028.20-847,542.30-521,725.60

Finding the Fourth Proportional to 565,028.20, 847,542.30 and 521,725.60

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Solution

The fourth proportional to 565,028.20, 847,542.30 and 521,725.60 is: 782,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,028.20 : 847,542.30 = 521,725.60 : x
  2. Step 2: Convert to fraction form
    565,028.20/847,542.30 = 521,725.60/x
  3. Step 3: Cross multiply
    565,028.20x = 847,542.30 × 521,725.60
  4. Step 4: Simplify right side
    565,028.20x = 442,184,514,992.88
  5. Step 5: Solve for x
    x = 442,184,514,992.88/565,028.20
  6. Step 6: Final answer
    x = 782,588.40

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Similar ratio
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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.