Home / 1,529,143.75-2,107,108.99-1,182,876.95

Finding the Fourth Proportional to 1,529,143.75, 2,107,108.99 and 1,182,876.95

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Solution

The fourth proportional to 1,529,143.75, 2,107,108.99 and 1,182,876.95 is: 1,629,964.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,143.75 : 2,107,108.99 = 1,182,876.95 : x
  2. Step 2: Convert to fraction form
    1,529,143.75/2,107,108.99 = 1,182,876.95/x
  3. Step 3: Cross multiply
    1,529,143.75x = 2,107,108.99 × 1,182,876.95
  4. Step 4: Simplify right side
    1,529,143.75x = 2,492,450,662,155.15
  5. Step 5: Solve for x
    x = 2,492,450,662,155.15/1,529,143.75
  6. Step 6: Final answer
    x = 1,629,964.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.