Home / 496,432.20-744,648.30-307,475.40

Finding the Fourth Proportional to 496,432.20, 744,648.30 and 307,475.40

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Solution

The fourth proportional to 496,432.20, 744,648.30 and 307,475.40 is: 461,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,432.20 : 744,648.30 = 307,475.40 : x
  2. Step 2: Convert to fraction form
    496,432.20/744,648.30 = 307,475.40/x
  3. Step 3: Cross multiply
    496,432.20x = 744,648.30 × 307,475.40
  4. Step 4: Simplify right side
    496,432.20x = 228,961,033,901.82
  5. Step 5: Solve for x
    x = 228,961,033,901.82/496,432.20
  6. Step 6: Final answer
    x = 461,213.10

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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.