Home / 1,561,650.12-2,154,987.72-863,889.24

Finding the Fourth Proportional to 1,561,650.12, 2,154,987.72 and 863,889.24

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Solution

The fourth proportional to 1,561,650.12, 2,154,987.72 and 863,889.24 is: 1,192,117.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,650.12 : 2,154,987.72 = 863,889.24 : x
  2. Step 2: Convert to fraction form
    1,561,650.12/2,154,987.72 = 863,889.24/x
  3. Step 3: Cross multiply
    1,561,650.12x = 2,154,987.72 × 863,889.24
  4. Step 4: Simplify right side
    1,561,650.12x = 1,861,670,703,640.13
  5. Step 5: Solve for x
    x = 1,861,670,703,640.13/1,561,650.12
  6. Step 6: Final answer
    x = 1,192,117.67

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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.