Home / 806,339.60-1,112,823.22-443,837.06

Finding the Fourth Proportional to 806,339.60, 1,112,823.22 and 443,837.06

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Solution

The fourth proportional to 806,339.60, 1,112,823.22 and 443,837.06 is: 612,536.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,339.60 : 1,112,823.22 = 443,837.06 : x
  2. Step 2: Convert to fraction form
    806,339.60/1,112,823.22 = 443,837.06/x
  3. Step 3: Cross multiply
    806,339.60x = 1,112,823.22 × 443,837.06
  4. Step 4: Simplify right side
    806,339.60x = 493,912,186,264.53
  5. Step 5: Solve for x
    x = 493,912,186,264.53/806,339.60
  6. Step 6: Final answer
    x = 612,536.19

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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.