Home / 674,367.46-930,759.94-402,299.18

Finding the Fourth Proportional to 674,367.46, 930,759.94 and 402,299.18

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Solution

The fourth proportional to 674,367.46, 930,759.94 and 402,299.18 is: 555,252.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,367.46 : 930,759.94 = 402,299.18 : x
  2. Step 2: Convert to fraction form
    674,367.46/930,759.94 = 402,299.18/x
  3. Step 3: Cross multiply
    674,367.46x = 930,759.94 × 402,299.18
  4. Step 4: Simplify right side
    674,367.46x = 374,443,960,638.85
  5. Step 5: Solve for x
    x = 374,443,960,638.85/674,367.46
  6. Step 6: Final answer
    x = 555,252.12

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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.