Home / 1,971,328.32-2,957,311.44-772,600.56

Finding the Fourth Proportional to 1,971,328.32, 2,957,311.44 and 772,600.56

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Solution

The fourth proportional to 1,971,328.32, 2,957,311.44 and 772,600.56 is: 1,159,025.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,328.32 : 2,957,311.44 = 772,600.56 : x
  2. Step 2: Convert to fraction form
    1,971,328.32/2,957,311.44 = 772,600.56/x
  3. Step 3: Cross multiply
    1,971,328.32x = 2,957,311.44 × 772,600.56
  4. Step 4: Simplify right side
    1,971,328.32x = 2,284,820,474,638.41
  5. Step 5: Solve for x
    x = 2,284,820,474,638.41/1,971,328.32
  6. Step 6: Final answer
    x = 1,159,025.85

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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.