Home / 873,006.15-1,309,509.23-873,006.15

Finding the Fourth Proportional to 873,006.15, 1,309,509.23 and 873,006.15

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Solution

The fourth proportional to 873,006.15, 1,309,509.23 and 873,006.15 is: 1,309,509.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,006.15 : 1,309,509.23 = 873,006.15 : x
  2. Step 2: Convert to fraction form
    873,006.15/1,309,509.23 = 873,006.15/x
  3. Step 3: Cross multiply
    873,006.15x = 1,309,509.23 × 873,006.15
  4. Step 4: Simplify right side
    873,006.15x = 1,143,209,606,906.73
  5. Step 5: Solve for x
    x = 1,143,209,606,906.73/873,006.15
  6. Step 6: Final answer
    x = 1,309,509.23

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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.