Home / 959,979.72-1,324,758.56-524,391.90

Finding the Fourth Proportional to 959,979.72, 1,324,758.56 and 524,391.90

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Solution

The fourth proportional to 959,979.72, 1,324,758.56 and 524,391.90 is: 723,653.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,979.72 : 1,324,758.56 = 524,391.90 : x
  2. Step 2: Convert to fraction form
    959,979.72/1,324,758.56 = 524,391.90/x
  3. Step 3: Cross multiply
    959,979.72x = 1,324,758.56 × 524,391.90
  4. Step 4: Simplify right side
    959,979.72x = 694,692,658,319.66
  5. Step 5: Solve for x
    x = 694,692,658,319.66/959,979.72
  6. Step 6: Final answer
    x = 723,653.47

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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.