Home / 674,622.14-930,976.98-384,233.64

Finding the Fourth Proportional to 674,622.14, 930,976.98 and 384,233.64

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Solution

The fourth proportional to 674,622.14, 930,976.98 and 384,233.64 is: 530,241.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,622.14 : 930,976.98 = 384,233.64 : x
  2. Step 2: Convert to fraction form
    674,622.14/930,976.98 = 384,233.64/x
  3. Step 3: Cross multiply
    674,622.14x = 930,976.98 × 384,233.64
  4. Step 4: Simplify right side
    674,622.14x = 357,712,673,781.61
  5. Step 5: Solve for x
    x = 357,712,673,781.61/674,622.14
  6. Step 6: Final answer
    x = 530,241.53

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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.