Home / 519,050.60-778,575.90-297,252.20

Finding the Fourth Proportional to 519,050.60, 778,575.90 and 297,252.20

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Solution

The fourth proportional to 519,050.60, 778,575.90 and 297,252.20 is: 445,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,050.60 : 778,575.90 = 297,252.20 : x
  2. Step 2: Convert to fraction form
    519,050.60/778,575.90 = 297,252.20/x
  3. Step 3: Cross multiply
    519,050.60x = 778,575.90 × 297,252.20
  4. Step 4: Simplify right side
    519,050.60x = 231,433,399,141.98
  5. Step 5: Solve for x
    x = 231,433,399,141.98/519,050.60
  6. Step 6: Final answer
    x = 445,878.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.