Home / 835,926.12-1,153,600.92-491,786.28

Finding the Fourth Proportional to 835,926.12, 1,153,600.92 and 491,786.28

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Solution

The fourth proportional to 835,926.12, 1,153,600.92 and 491,786.28 is: 678,678.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,926.12 : 1,153,600.92 = 491,786.28 : x
  2. Step 2: Convert to fraction form
    835,926.12/1,153,600.92 = 491,786.28/x
  3. Step 3: Cross multiply
    835,926.12x = 1,153,600.92 × 491,786.28
  4. Step 4: Simplify right side
    835,926.12x = 567,325,105,051.38
  5. Step 5: Solve for x
    x = 567,325,105,051.38/835,926.12
  6. Step 6: Final answer
    x = 678,678.52

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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.