Home / 873,217.67-1,204,642.13-631,116.77

Finding the Fourth Proportional to 873,217.67, 1,204,642.13 and 631,116.77

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Solution

The fourth proportional to 873,217.67, 1,204,642.13 and 631,116.77 is: 870,653.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,217.67 : 1,204,642.13 = 631,116.77 : x
  2. Step 2: Convert to fraction form
    873,217.67/1,204,642.13 = 631,116.77/x
  3. Step 3: Cross multiply
    873,217.67x = 1,204,642.13 × 631,116.77
  4. Step 4: Simplify right side
    873,217.67x = 760,269,840,912.73
  5. Step 5: Solve for x
    x = 760,269,840,912.73/873,217.67
  6. Step 6: Final answer
    x = 870,653.30

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Double scale
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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.