Home / 686,114.92-1,029,094.48-180,715.44

Finding the Fourth Proportional to 686,114.92, 1,029,094.48 and 180,715.44

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Solution

The fourth proportional to 686,114.92, 1,029,094.48 and 180,715.44 is: 271,052.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,114.92 : 1,029,094.48 = 180,715.44 : x
  2. Step 2: Convert to fraction form
    686,114.92/1,029,094.48 = 180,715.44/x
  3. Step 3: Cross multiply
    686,114.92x = 1,029,094.48 × 180,715.44
  4. Step 4: Simplify right side
    686,114.92x = 185,973,265,839.77
  5. Step 5: Solve for x
    x = 185,973,265,839.77/686,114.92
  6. Step 6: Final answer
    x = 271,052.65

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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.