Home / 971,199.14-1,340,706.08-691,976.34

Finding the Fourth Proportional to 971,199.14, 1,340,706.08 and 691,976.34

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Solution

The fourth proportional to 971,199.14, 1,340,706.08 and 691,976.34 is: 955,248.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,199.14 : 1,340,706.08 = 691,976.34 : x
  2. Step 2: Convert to fraction form
    971,199.14/1,340,706.08 = 691,976.34/x
  3. Step 3: Cross multiply
    971,199.14x = 1,340,706.08 × 691,976.34
  4. Step 4: Simplify right side
    971,199.14x = 927,736,887,984.09
  5. Step 5: Solve for x
    x = 927,736,887,984.09/971,199.14
  6. Step 6: Final answer
    x = 955,248.88

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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.