Home / 1,097,136.92-1,513,439.46-638,199.84

Finding the Fourth Proportional to 1,097,136.92, 1,513,439.46 and 638,199.84

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Solution

The fourth proportional to 1,097,136.92, 1,513,439.46 and 638,199.84 is: 880,361.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,136.92 : 1,513,439.46 = 638,199.84 : x
  2. Step 2: Convert to fraction form
    1,097,136.92/1,513,439.46 = 638,199.84/x
  3. Step 3: Cross multiply
    1,097,136.92x = 1,513,439.46 × 638,199.84
  4. Step 4: Simplify right side
    1,097,136.92x = 965,876,821,221.69
  5. Step 5: Solve for x
    x = 965,876,821,221.69/1,097,136.92
  6. Step 6: Final answer
    x = 880,361.24

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1.5x scale

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.