Home / 695,961.12-1,043,195.40-455,984.40

Finding the Fourth Proportional to 695,961.12, 1,043,195.40 and 455,984.40

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Solution

The fourth proportional to 695,961.12, 1,043,195.40 and 455,984.40 is: 683,487.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,961.12 : 1,043,195.40 = 455,984.40 : x
  2. Step 2: Convert to fraction form
    695,961.12/1,043,195.40 = 455,984.40/x
  3. Step 3: Cross multiply
    695,961.12x = 1,043,195.40 × 455,984.40
  4. Step 4: Simplify right side
    695,961.12x = 475,680,828,551.76
  5. Step 5: Solve for x
    x = 475,680,828,551.76/695,961.12
  6. Step 6: Final answer
    x = 683,487.65

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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.