Home / 683,536.46-943,307.30-393,147.56

Finding the Fourth Proportional to 683,536.46, 943,307.30 and 393,147.56

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Solution

The fourth proportional to 683,536.46, 943,307.30 and 393,147.56 is: 542,559.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,536.46 : 943,307.30 = 393,147.56 : x
  2. Step 2: Convert to fraction form
    683,536.46/943,307.30 = 393,147.56/x
  3. Step 3: Cross multiply
    683,536.46x = 943,307.30 × 393,147.56
  4. Step 4: Simplify right side
    683,536.46x = 370,858,963,266.56
  5. Step 5: Solve for x
    x = 370,858,963,266.56/683,536.46
  6. Step 6: Final answer
    x = 542,559.15

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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.