Home / 644,150.16-966,735.36-340,759.44

Finding the Fourth Proportional to 644,150.16, 966,735.36 and 340,759.44

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Solution

The fourth proportional to 644,150.16, 966,735.36 and 340,759.44 is: 511,409.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,150.16 : 966,735.36 = 340,759.44 : x
  2. Step 2: Convert to fraction form
    644,150.16/966,735.36 = 340,759.44/x
  3. Step 3: Cross multiply
    644,150.16x = 966,735.36 × 340,759.44
  4. Step 4: Simplify right side
    644,150.16x = 329,424,199,901.80
  5. Step 5: Solve for x
    x = 329,424,199,901.80/644,150.16
  6. Step 6: Final answer
    x = 511,409.02

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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.