Home / 806,020.36-1,112,308.14-443,436.46

Finding the Fourth Proportional to 806,020.36, 1,112,308.14 and 443,436.46

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Solution

The fourth proportional to 806,020.36, 1,112,308.14 and 443,436.46 is: 611,942.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,020.36 : 1,112,308.14 = 443,436.46 : x
  2. Step 2: Convert to fraction form
    806,020.36/1,112,308.14 = 443,436.46/x
  3. Step 3: Cross multiply
    806,020.36x = 1,112,308.14 × 443,436.46
  4. Step 4: Simplify right side
    806,020.36x = 493,237,984,030.78
  5. Step 5: Solve for x
    x = 493,237,984,030.78/806,020.36
  6. Step 6: Final answer
    x = 611,942.34

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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.