Home / 318,584.07-439,629.26-175,316.40

Finding the Fourth Proportional to 318,584.07, 439,629.26 and 175,316.40

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Solution

The fourth proportional to 318,584.07, 439,629.26 and 175,316.40 is: 241,927.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,584.07 : 439,629.26 = 175,316.40 : x
  2. Step 2: Convert to fraction form
    318,584.07/439,629.26 = 175,316.40/x
  3. Step 3: Cross multiply
    318,584.07x = 439,629.26 × 175,316.40
  4. Step 4: Simplify right side
    318,584.07x = 77,074,218,321.28
  5. Step 5: Solve for x
    x = 77,074,218,321.28/318,584.07
  6. Step 6: Final answer
    x = 241,927.41

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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.