Home / 377,734.12-566,601.18-128,416.12

Finding the Fourth Proportional to 377,734.12, 566,601.18 and 128,416.12

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Solution

The fourth proportional to 377,734.12, 566,601.18 and 128,416.12 is: 192,624.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,734.12 : 566,601.18 = 128,416.12 : x
  2. Step 2: Convert to fraction form
    377,734.12/566,601.18 = 128,416.12/x
  3. Step 3: Cross multiply
    377,734.12x = 566,601.18 × 128,416.12
  4. Step 4: Simplify right side
    377,734.12x = 72,760,725,123.02
  5. Step 5: Solve for x
    x = 72,760,725,123.02/377,734.12
  6. Step 6: Final answer
    x = 192,624.18

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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.