Home / 691,143.70-1,036,641.85-241,873.15

Finding the Fourth Proportional to 691,143.70, 1,036,641.85 and 241,873.15

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Solution

The fourth proportional to 691,143.70, 1,036,641.85 and 241,873.15 is: 362,783.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,143.70 : 1,036,641.85 = 241,873.15 : x
  2. Step 2: Convert to fraction form
    691,143.70/1,036,641.85 = 241,873.15/x
  3. Step 3: Cross multiply
    691,143.70x = 1,036,641.85 × 241,873.15
  4. Step 4: Simplify right side
    691,143.70x = 250,735,829,681.33
  5. Step 5: Solve for x
    x = 250,735,829,681.33/691,143.70
  6. Step 6: Final answer
    x = 362,783.93

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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.