Home / 638,839.35-881,596.44-366,924.78

Finding the Fourth Proportional to 638,839.35, 881,596.44 and 366,924.78

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Solution

The fourth proportional to 638,839.35, 881,596.44 and 366,924.78 is: 506,355.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,839.35 : 881,596.44 = 366,924.78 : x
  2. Step 2: Convert to fraction form
    638,839.35/881,596.44 = 366,924.78/x
  3. Step 3: Cross multiply
    638,839.35x = 881,596.44 × 366,924.78
  4. Step 4: Simplify right side
    638,839.35x = 323,479,579,795.78
  5. Step 5: Solve for x
    x = 323,479,579,795.78/638,839.35
  6. Step 6: Final answer
    x = 506,355.13

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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.