Home / 574,984.26-858,433.55-439,338.42

Finding the Fourth Proportional to 574,984.26, 858,433.55 and 439,338.42

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Solution

The fourth proportional to 574,984.26, 858,433.55 and 439,338.42 is: 655,918.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,984.26 : 858,433.55 = 439,338.42 : x
  2. Step 2: Convert to fraction form
    574,984.26/858,433.55 = 439,338.42/x
  3. Step 3: Cross multiply
    574,984.26x = 858,433.55 × 439,338.42
  4. Step 4: Simplify right side
    574,984.26x = 377,142,839,531.99
  5. Step 5: Solve for x
    x = 377,142,839,531.99/574,984.26
  6. Step 6: Final answer
    x = 655,918.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.