Home / 695,276.80-1,042,915.20-537,812.80

Finding the Fourth Proportional to 695,276.80, 1,042,915.20 and 537,812.80

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Solution

The fourth proportional to 695,276.80, 1,042,915.20 and 537,812.80 is: 806,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,276.80 : 1,042,915.20 = 537,812.80 : x
  2. Step 2: Convert to fraction form
    695,276.80/1,042,915.20 = 537,812.80/x
  3. Step 3: Cross multiply
    695,276.80x = 1,042,915.20 × 537,812.80
  4. Step 4: Simplify right side
    695,276.80x = 560,893,143,874.56
  5. Step 5: Solve for x
    x = 560,893,143,874.56/695,276.80
  6. Step 6: Final answer
    x = 806,719.20

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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.