Home / 757,225.56-1,136,272.50-307,863.48

Finding the Fourth Proportional to 757,225.56, 1,136,272.50 and 307,863.48

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Solution

The fourth proportional to 757,225.56, 1,136,272.50 and 307,863.48 is: 461,971.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,225.56 : 1,136,272.50 = 307,863.48 : x
  2. Step 2: Convert to fraction form
    757,225.56/1,136,272.50 = 307,863.48/x
  3. Step 3: Cross multiply
    757,225.56x = 1,136,272.50 × 307,863.48
  4. Step 4: Simplify right side
    757,225.56x = 349,816,806,078.30
  5. Step 5: Solve for x
    x = 349,816,806,078.30/757,225.56
  6. Step 6: Final answer
    x = 461,971.74

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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.