Home / 835,624.17-1,253,234.21-385,912.53

Finding the Fourth Proportional to 835,624.17, 1,253,234.21 and 385,912.53

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Solution

The fourth proportional to 835,624.17, 1,253,234.21 and 385,912.53 is: 578,775.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,624.17 : 1,253,234.21 = 385,912.53 : x
  2. Step 2: Convert to fraction form
    835,624.17/1,253,234.21 = 385,912.53/x
  3. Step 3: Cross multiply
    835,624.17x = 1,253,234.21 × 385,912.53
  4. Step 4: Simplify right side
    835,624.17x = 483,638,782,734.09
  5. Step 5: Solve for x
    x = 483,638,782,734.09/835,624.17
  6. Step 6: Final answer
    x = 578,775.48

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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.