Home / 347,512.10-479,624.04-238,526.87

Finding the Fourth Proportional to 347,512.10, 479,624.04 and 238,526.87

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Solution

The fourth proportional to 347,512.10, 479,624.04 and 238,526.87 is: 329,206.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,512.10 : 479,624.04 = 238,526.87 : x
  2. Step 2: Convert to fraction form
    347,512.10/479,624.04 = 238,526.87/x
  3. Step 3: Cross multiply
    347,512.10x = 479,624.04 × 238,526.87
  4. Step 4: Simplify right side
    347,512.10x = 114,403,218,639.84
  5. Step 5: Solve for x
    x = 114,403,218,639.84/347,512.10
  6. Step 6: Final answer
    x = 329,206.44

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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.