Home / 715,651.74-1,073,653.38-355,992.30

Finding the Fourth Proportional to 715,651.74, 1,073,653.38 and 355,992.30

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Solution

The fourth proportional to 715,651.74, 1,073,653.38 and 355,992.30 is: 534,075.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,651.74 : 1,073,653.38 = 355,992.30 : x
  2. Step 2: Convert to fraction form
    715,651.74/1,073,653.38 = 355,992.30/x
  3. Step 3: Cross multiply
    715,651.74x = 1,073,653.38 × 355,992.30
  4. Step 4: Simplify right side
    715,651.74x = 382,212,336,148.97
  5. Step 5: Solve for x
    x = 382,212,336,148.97/715,651.74
  6. Step 6: Final answer
    x = 534,075.88

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Double scale
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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.