Home / 1,525,803.13-2,105,578.26-863,502.73

Finding the Fourth Proportional to 1,525,803.13, 2,105,578.26 and 863,502.73

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Solution

The fourth proportional to 1,525,803.13, 2,105,578.26 and 863,502.73 is: 1,191,616.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,803.13 : 2,105,578.26 = 863,502.73 : x
  2. Step 2: Convert to fraction form
    1,525,803.13/2,105,578.26 = 863,502.73/x
  3. Step 3: Cross multiply
    1,525,803.13x = 2,105,578.26 × 863,502.73
  4. Step 4: Simplify right side
    1,525,803.13x = 1,818,172,575,738.65
  5. Step 5: Solve for x
    x = 1,818,172,575,738.65/1,525,803.13
  6. Step 6: Final answer
    x = 1,191,616.76

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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.