Home / 806,258.65-1,112,609.04-443,648.59

Finding the Fourth Proportional to 806,258.65, 1,112,609.04 and 443,648.59

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Solution

The fourth proportional to 806,258.65, 1,112,609.04 and 443,648.59 is: 612,219.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,258.65 : 1,112,609.04 = 443,648.59 : x
  2. Step 2: Convert to fraction form
    806,258.65/1,112,609.04 = 443,648.59/x
  3. Step 3: Cross multiply
    806,258.65x = 1,112,609.04 × 443,648.59
  4. Step 4: Simplify right side
    806,258.65x = 493,607,431,817.25
  5. Step 5: Solve for x
    x = 493,607,431,817.25/806,258.65
  6. Step 6: Final answer
    x = 612,219.70

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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.