Home / 1,865,108.75-2,797,662.95-517,271.31

Finding the Fourth Proportional to 1,865,108.75, 2,797,662.95 and 517,271.31

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Solution

The fourth proportional to 1,865,108.75, 2,797,662.95 and 517,271.31 is: 775,906.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,108.75 : 2,797,662.95 = 517,271.31 : x
  2. Step 2: Convert to fraction form
    1,865,108.75/2,797,662.95 = 517,271.31/x
  3. Step 3: Cross multiply
    1,865,108.75x = 2,797,662.95 × 517,271.31
  4. Step 4: Simplify right side
    1,865,108.75x = 1,447,150,776,498.61
  5. Step 5: Solve for x
    x = 1,447,150,776,498.61/1,865,108.75
  6. Step 6: Final answer
    x = 775,906.92

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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.