Home / 1,330,032.56-1,995,329.39-431,404.52

Finding the Fourth Proportional to 1,330,032.56, 1,995,329.39 and 431,404.52

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Solution

The fourth proportional to 1,330,032.56, 1,995,329.39 and 431,404.52 is: 647,197.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,032.56 : 1,995,329.39 = 431,404.52 : x
  2. Step 2: Convert to fraction form
    1,330,032.56/1,995,329.39 = 431,404.52/x
  3. Step 3: Cross multiply
    1,330,032.56x = 1,995,329.39 × 431,404.52
  4. Step 4: Simplify right side
    1,330,032.56x = 860,794,105,601.17
  5. Step 5: Solve for x
    x = 860,794,105,601.17/1,330,032.56
  6. Step 6: Final answer
    x = 647,197.77

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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.