Home / 347,776.40-521,664.60-170,397.20

Finding the Fourth Proportional to 347,776.40, 521,664.60 and 170,397.20

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Solution

The fourth proportional to 347,776.40, 521,664.60 and 170,397.20 is: 255,595.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,776.40 : 521,664.60 = 170,397.20 : x
  2. Step 2: Convert to fraction form
    347,776.40/521,664.60 = 170,397.20/x
  3. Step 3: Cross multiply
    347,776.40x = 521,664.60 × 170,397.20
  4. Step 4: Simplify right side
    347,776.40x = 88,890,187,179.12
  5. Step 5: Solve for x
    x = 88,890,187,179.12/347,776.40
  6. Step 6: Final answer
    x = 255,595.80

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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.