Home / 857,172.39-1,182,926.66-475,176.39

Finding the Fourth Proportional to 857,172.39, 1,182,926.66 and 475,176.39

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Solution

The fourth proportional to 857,172.39, 1,182,926.66 and 475,176.39 is: 655,759.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,172.39 : 1,182,926.66 = 475,176.39 : x
  2. Step 2: Convert to fraction form
    857,172.39/1,182,926.66 = 475,176.39/x
  3. Step 3: Cross multiply
    857,172.39x = 1,182,926.66 × 475,176.39
  4. Step 4: Simplify right side
    857,172.39x = 562,098,819,933.56
  5. Step 5: Solve for x
    x = 562,098,819,933.56/857,172.39
  6. Step 6: Final answer
    x = 655,759.36

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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.