Home / 347,766.34-479,446.35-297,320.96

Finding the Fourth Proportional to 347,766.34, 479,446.35 and 297,320.96

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Solution

The fourth proportional to 347,766.34, 479,446.35 and 297,320.96 is: 409,900.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,766.34 : 479,446.35 = 297,320.96 : x
  2. Step 2: Convert to fraction form
    347,766.34/479,446.35 = 297,320.96/x
  3. Step 3: Cross multiply
    347,766.34x = 479,446.35 × 297,320.96
  4. Step 4: Simplify right side
    347,766.34x = 142,549,449,050.50
  5. Step 5: Solve for x
    x = 142,549,449,050.50/347,766.34
  6. Step 6: Final answer
    x = 409,900.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.