Home / 613,221.59-919,869.28-258,263.27

Finding the Fourth Proportional to 613,221.59, 919,869.28 and 258,263.27

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Solution

The fourth proportional to 613,221.59, 919,869.28 and 258,263.27 is: 387,410.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,221.59 : 919,869.28 = 258,263.27 : x
  2. Step 2: Convert to fraction form
    613,221.59/919,869.28 = 258,263.27/x
  3. Step 3: Cross multiply
    613,221.59x = 919,869.28 × 258,263.27
  4. Step 4: Simplify right side
    613,221.59x = 237,568,448,225.35
  5. Step 5: Solve for x
    x = 237,568,448,225.35/613,221.59
  6. Step 6: Final answer
    x = 387,410.44

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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.