Home / 806,023.22-1,112,312.00-443,439.30

Finding the Fourth Proportional to 806,023.22, 1,112,312.00 and 443,439.30

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Solution

The fourth proportional to 806,023.22, 1,112,312.00 and 443,439.30 is: 611,946.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,023.22 : 1,112,312.00 = 443,439.30 : x
  2. Step 2: Convert to fraction form
    806,023.22/1,112,312.00 = 443,439.30/x
  3. Step 3: Cross multiply
    806,023.22x = 1,112,312.00 × 443,439.30
  4. Step 4: Simplify right side
    806,023.22x = 493,242,853,684.61
  5. Step 5: Solve for x
    x = 493,242,853,684.61/806,023.22
  6. Step 6: Final answer
    x = 611,946.21

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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.