Home / 691,139.11-1,036,676.54-241,960.75

Finding the Fourth Proportional to 691,139.11, 1,036,676.54 and 241,960.75

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Solution

The fourth proportional to 691,139.11, 1,036,676.54 and 241,960.75 is: 362,929.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,139.11 : 1,036,676.54 = 241,960.75 : x
  2. Step 2: Convert to fraction form
    691,139.11/1,036,676.54 = 241,960.75/x
  3. Step 3: Cross multiply
    691,139.11x = 1,036,676.54 × 241,960.75
  4. Step 4: Simplify right side
    691,139.11x = 250,835,033,125.81
  5. Step 5: Solve for x
    x = 250,835,033,125.81/691,139.11
  6. Step 6: Final answer
    x = 362,929.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.