Home / 644,085.17-966,314.74-259,635.62

Finding the Fourth Proportional to 644,085.17, 966,314.74 and 259,635.62

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Solution

The fourth proportional to 644,085.17, 966,314.74 and 259,635.62 is: 389,528.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,085.17 : 966,314.74 = 259,635.62 : x
  2. Step 2: Convert to fraction form
    644,085.17/966,314.74 = 259,635.62/x
  3. Step 3: Cross multiply
    644,085.17x = 966,314.74 × 259,635.62
  4. Step 4: Simplify right side
    644,085.17x = 250,889,720,505.29
  5. Step 5: Solve for x
    x = 250,889,720,505.29/644,085.17
  6. Step 6: Final answer
    x = 389,528.80

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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.