Home / 758,422.50-1,046,623.06-418,912.62

Finding the Fourth Proportional to 758,422.50, 1,046,623.06 and 418,912.62

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Solution

The fourth proportional to 758,422.50, 1,046,623.06 and 418,912.62 is: 578,099.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,422.50 : 1,046,623.06 = 418,912.62 : x
  2. Step 2: Convert to fraction form
    758,422.50/1,046,623.06 = 418,912.62/x
  3. Step 3: Cross multiply
    758,422.50x = 1,046,623.06 × 418,912.62
  4. Step 4: Simplify right side
    758,422.50x = 438,443,608,217.02
  5. Step 5: Solve for x
    x = 438,443,608,217.02/758,422.50
  6. Step 6: Final answer
    x = 578,099.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.