Home / 347,011.40-520,517.10-169,632.20

Finding the Fourth Proportional to 347,011.40, 520,517.10 and 169,632.20

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Solution

The fourth proportional to 347,011.40, 520,517.10 and 169,632.20 is: 254,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,011.40 : 520,517.10 = 169,632.20 : x
  2. Step 2: Convert to fraction form
    347,011.40/520,517.10 = 169,632.20/x
  3. Step 3: Cross multiply
    347,011.40x = 520,517.10 × 169,632.20
  4. Step 4: Simplify right side
    347,011.40x = 88,296,460,810.62
  5. Step 5: Solve for x
    x = 88,296,460,810.62/347,011.40
  6. Step 6: Final answer
    x = 254,448.30

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1.5x scale

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.