Home / 874,141.93-1,206,353.06-486,956.87

Finding the Fourth Proportional to 874,141.93, 1,206,353.06 and 486,956.87

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Solution

The fourth proportional to 874,141.93, 1,206,353.06 and 486,956.87 is: 672,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,141.93 : 1,206,353.06 = 486,956.87 : x
  2. Step 2: Convert to fraction form
    874,141.93/1,206,353.06 = 486,956.87/x
  3. Step 3: Cross multiply
    874,141.93x = 1,206,353.06 × 486,956.87
  4. Step 4: Simplify right side
    874,141.93x = 587,441,907,777.74
  5. Step 5: Solve for x
    x = 587,441,907,777.74/874,141.93
  6. Step 6: Final answer
    x = 672,021.20

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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.