Home / 696,138.83-1,044,209.07-190,704.15

Finding the Fourth Proportional to 696,138.83, 1,044,209.07 and 190,704.15

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Solution

The fourth proportional to 696,138.83, 1,044,209.07 and 190,704.15 is: 286,056.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,138.83 : 1,044,209.07 = 190,704.15 : x
  2. Step 2: Convert to fraction form
    696,138.83/1,044,209.07 = 190,704.15/x
  3. Step 3: Cross multiply
    696,138.83x = 1,044,209.07 × 190,704.15
  4. Step 4: Simplify right side
    696,138.83x = 199,135,003,116.64
  5. Step 5: Solve for x
    x = 199,135,003,116.64/696,138.83
  6. Step 6: Final answer
    x = 286,056.45

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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.