Home / 691,140.11-1,036,678.04-241,961.75

Finding the Fourth Proportional to 691,140.11, 1,036,678.04 and 241,961.75

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Solution

The fourth proportional to 691,140.11, 1,036,678.04 and 241,961.75 is: 362,931.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,140.11 : 1,036,678.04 = 241,961.75 : x
  2. Step 2: Convert to fraction form
    691,140.11/1,036,678.04 = 241,961.75/x
  3. Step 3: Cross multiply
    691,140.11x = 1,036,678.04 × 241,961.75
  4. Step 4: Simplify right side
    691,140.11x = 250,836,432,744.97
  5. Step 5: Solve for x
    x = 250,836,432,744.97/691,140.11
  6. Step 6: Final answer
    x = 362,931.38

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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.