Home / 805,603.43-1,111,761.26-443,055.35

Finding the Fourth Proportional to 805,603.43, 1,111,761.26 and 443,055.35

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Solution

The fourth proportional to 805,603.43, 1,111,761.26 and 443,055.35 is: 611,432.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,603.43 : 1,111,761.26 = 443,055.35 : x
  2. Step 2: Convert to fraction form
    805,603.43/1,111,761.26 = 443,055.35/x
  3. Step 3: Cross multiply
    805,603.43x = 1,111,761.26 × 443,055.35
  4. Step 4: Simplify right side
    805,603.43x = 492,571,775,273.38
  5. Step 5: Solve for x
    x = 492,571,775,273.38/805,603.43
  6. Step 6: Final answer
    x = 611,432.07

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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.