Home / 474,505.12-654,797.55-283,623.76

Finding the Fourth Proportional to 474,505.12, 654,797.55 and 283,623.76

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Solution

The fourth proportional to 474,505.12, 654,797.55 and 283,623.76 is: 391,389.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,505.12 : 654,797.55 = 283,623.76 : x
  2. Step 2: Convert to fraction form
    474,505.12/654,797.55 = 283,623.76/x
  3. Step 3: Cross multiply
    474,505.12x = 654,797.55 × 283,623.76
  4. Step 4: Simplify right side
    474,505.12x = 185,716,143,169.79
  5. Step 5: Solve for x
    x = 185,716,143,169.79/474,505.12
  6. Step 6: Final answer
    x = 391,389.12

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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.