Home / 806,316.01-1,112,675.90-443,730.54

Finding the Fourth Proportional to 806,316.01, 1,112,675.90 and 443,730.54

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Solution

The fourth proportional to 806,316.01, 1,112,675.90 and 443,730.54 is: 612,326.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,316.01 : 1,112,675.90 = 443,730.54 : x
  2. Step 2: Convert to fraction form
    806,316.01/1,112,675.90 = 443,730.54/x
  3. Step 3: Cross multiply
    806,316.01x = 1,112,675.90 × 443,730.54
  4. Step 4: Simplify right side
    806,316.01x = 493,728,277,951.99
  5. Step 5: Solve for x
    x = 493,728,277,951.99/806,316.01
  6. Step 6: Final answer
    x = 612,326.03

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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.