Home / 805,551.56-1,111,659.54-461,498.87

Finding the Fourth Proportional to 805,551.56, 1,111,659.54 and 461,498.87

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Solution

The fourth proportional to 805,551.56, 1,111,659.54 and 461,498.87 is: 636,867.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,551.56 : 1,111,659.54 = 461,498.87 : x
  2. Step 2: Convert to fraction form
    805,551.56/1,111,659.54 = 461,498.87/x
  3. Step 3: Cross multiply
    805,551.56x = 1,111,659.54 × 461,498.87
  4. Step 4: Simplify right side
    805,551.56x = 513,029,618,926.09
  5. Step 5: Solve for x
    x = 513,029,618,926.09/805,551.56
  6. Step 6: Final answer
    x = 636,867.51

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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.