Home / 568,922.40-853,383.60-288,986.40

Finding the Fourth Proportional to 568,922.40, 853,383.60 and 288,986.40

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Solution

The fourth proportional to 568,922.40, 853,383.60 and 288,986.40 is: 433,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,922.40 : 853,383.60 = 288,986.40 : x
  2. Step 2: Convert to fraction form
    568,922.40/853,383.60 = 288,986.40/x
  3. Step 3: Cross multiply
    568,922.40x = 853,383.60 × 288,986.40
  4. Step 4: Simplify right side
    568,922.40x = 246,616,254,383.04
  5. Step 5: Solve for x
    x = 246,616,254,383.04/568,922.40
  6. Step 6: Final answer
    x = 433,479.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.