Home / 639,389.06-959,104.17-335,706.29

Finding the Fourth Proportional to 639,389.06, 959,104.17 and 335,706.29

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Solution

The fourth proportional to 639,389.06, 959,104.17 and 335,706.29 is: 503,570.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,389.06 : 959,104.17 = 335,706.29 : x
  2. Step 2: Convert to fraction form
    639,389.06/959,104.17 = 335,706.29/x
  3. Step 3: Cross multiply
    639,389.06x = 959,104.17 × 335,706.29
  4. Step 4: Simplify right side
    639,389.06x = 321,977,297,838.71
  5. Step 5: Solve for x
    x = 321,977,297,838.71/639,389.06
  6. Step 6: Final answer
    x = 503,570.24

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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.