Home / 926,235.49-1,389,158.83-261,231.97

Finding the Fourth Proportional to 926,235.49, 1,389,158.83 and 261,231.97

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Solution

The fourth proportional to 926,235.49, 1,389,158.83 and 261,231.97 is: 391,793.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,235.49 : 1,389,158.83 = 261,231.97 : x
  2. Step 2: Convert to fraction form
    926,235.49/1,389,158.83 = 261,231.97/x
  3. Step 3: Cross multiply
    926,235.49x = 1,389,158.83 × 261,231.97
  4. Step 4: Simplify right side
    926,235.49x = 362,892,697,803.80
  5. Step 5: Solve for x
    x = 362,892,697,803.80/926,235.49
  6. Step 6: Final answer
    x = 391,793.13

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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.