Home / 1,665,392.40-2,494,153.51-813,047.76

Finding the Fourth Proportional to 1,665,392.40, 2,494,153.51 and 813,047.76

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Solution

The fourth proportional to 1,665,392.40, 2,494,153.51 and 813,047.76 is: 1,217,650.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,392.40 : 2,494,153.51 = 813,047.76 : x
  2. Step 2: Convert to fraction form
    1,665,392.40/2,494,153.51 = 813,047.76/x
  3. Step 3: Cross multiply
    1,665,392.40x = 2,494,153.51 × 813,047.76
  4. Step 4: Simplify right side
    1,665,392.40x = 2,027,865,922,369.02
  5. Step 5: Solve for x
    x = 2,027,865,922,369.02/1,665,392.40
  6. Step 6: Final answer
    x = 1,217,650.52

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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.