Home / 674,524.46-930,896.84-384,148.28

Finding the Fourth Proportional to 674,524.46, 930,896.84 and 384,148.28

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Solution

The fourth proportional to 674,524.46, 930,896.84 and 384,148.28 is: 530,154.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,524.46 : 930,896.84 = 384,148.28 : x
  2. Step 2: Convert to fraction form
    674,524.46/930,896.84 = 384,148.28/x
  3. Step 3: Cross multiply
    674,524.46x = 930,896.84 × 384,148.28
  4. Step 4: Simplify right side
    674,524.46x = 357,602,419,943.44
  5. Step 5: Solve for x
    x = 357,602,419,943.44/674,524.46
  6. Step 6: Final answer
    x = 530,154.86

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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.