Home / 835,620.73-1,153,161.32-491,471.17

Finding the Fourth Proportional to 835,620.73, 1,153,161.32 and 491,471.17

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Solution

The fourth proportional to 835,620.73, 1,153,161.32 and 491,471.17 is: 678,232.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,620.73 : 1,153,161.32 = 491,471.17 : x
  2. Step 2: Convert to fraction form
    835,620.73/1,153,161.32 = 491,471.17/x
  3. Step 3: Cross multiply
    835,620.73x = 1,153,161.32 × 491,471.17
  4. Step 4: Simplify right side
    835,620.73x = 566,745,540,681.79
  5. Step 5: Solve for x
    x = 566,745,540,681.79/835,620.73
  6. Step 6: Final answer
    x = 678,232.98

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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.