Home / 693,896.88-1,040,080.10-453,911.16

Finding the Fourth Proportional to 693,896.88, 1,040,080.10 and 453,911.16

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Solution

The fourth proportional to 693,896.88, 1,040,080.10 and 453,911.16 is: 680,366.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,896.88 : 1,040,080.10 = 453,911.16 : x
  2. Step 2: Convert to fraction form
    693,896.88/1,040,080.10 = 453,911.16/x
  3. Step 3: Cross multiply
    693,896.88x = 1,040,080.10 × 453,911.16
  4. Step 4: Simplify right side
    693,896.88x = 472,103,964,683.92
  5. Step 5: Solve for x
    x = 472,103,964,683.92/693,896.88
  6. Step 6: Final answer
    x = 680,366.17

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1.5x scale

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.