Home / 1,015,936.21-1,523,901.28-257,776.21

Finding the Fourth Proportional to 1,015,936.21, 1,523,901.28 and 257,776.21

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Solution

The fourth proportional to 1,015,936.21, 1,523,901.28 and 257,776.21 is: 386,663.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,936.21 : 1,523,901.28 = 257,776.21 : x
  2. Step 2: Convert to fraction form
    1,015,936.21/1,523,901.28 = 257,776.21/x
  3. Step 3: Cross multiply
    1,015,936.21x = 1,523,901.28 × 257,776.21
  4. Step 4: Simplify right side
    1,015,936.21x = 392,825,500,504.52
  5. Step 5: Solve for x
    x = 392,825,500,504.52/1,015,936.21
  6. Step 6: Final answer
    x = 386,663.55

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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.