Home / 806,023.36-1,112,312.28-443,439.46

Finding the Fourth Proportional to 806,023.36, 1,112,312.28 and 443,439.46

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Solution

The fourth proportional to 806,023.36, 1,112,312.28 and 443,439.46 is: 611,946.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,023.36 : 1,112,312.28 = 443,439.46 : x
  2. Step 2: Convert to fraction form
    806,023.36/1,112,312.28 = 443,439.46/x
  3. Step 3: Cross multiply
    806,023.36x = 1,112,312.28 × 443,439.46
  4. Step 4: Simplify right side
    806,023.36x = 493,243,156,794.57
  5. Step 5: Solve for x
    x = 493,243,156,794.57/806,023.36
  6. Step 6: Final answer
    x = 611,946.48

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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.