Home / 702,392.60-1,053,162.23-275,416.86

Finding the Fourth Proportional to 702,392.60, 1,053,162.23 and 275,416.86

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Solution

The fourth proportional to 702,392.60, 1,053,162.23 and 275,416.86 is: 412,957.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,392.60 : 1,053,162.23 = 275,416.86 : x
  2. Step 2: Convert to fraction form
    702,392.60/1,053,162.23 = 275,416.86/x
  3. Step 3: Cross multiply
    702,392.60x = 1,053,162.23 × 275,416.86
  4. Step 4: Simplify right side
    702,392.60x = 290,058,633,080.11
  5. Step 5: Solve for x
    x = 290,058,633,080.11/702,392.60
  6. Step 6: Final answer
    x = 412,957.99

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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.