Home / 815,179.05-1,124,975.75-452,608.47

Finding the Fourth Proportional to 815,179.05, 1,124,975.75 and 452,608.47

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Solution

The fourth proportional to 815,179.05, 1,124,975.75 and 452,608.47 is: 624,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,179.05 : 1,124,975.75 = 452,608.47 : x
  2. Step 2: Convert to fraction form
    815,179.05/1,124,975.75 = 452,608.47/x
  3. Step 3: Cross multiply
    815,179.05x = 1,124,975.75 × 452,608.47
  4. Step 4: Simplify right side
    815,179.05x = 509,173,550,731.56
  5. Step 5: Solve for x
    x = 509,173,550,731.56/815,179.05
  6. Step 6: Final answer
    x = 624,615.60

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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.