Home / 806,023.61-1,112,312.63-443,439.71

Finding the Fourth Proportional to 806,023.61, 1,112,312.63 and 443,439.71

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Solution

The fourth proportional to 806,023.61, 1,112,312.63 and 443,439.71 is: 611,946.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,023.61 : 1,112,312.63 = 443,439.71 : x
  2. Step 2: Convert to fraction form
    806,023.61/1,112,312.63 = 443,439.71/x
  3. Step 3: Cross multiply
    806,023.61x = 1,112,312.63 × 443,439.71
  4. Step 4: Simplify right side
    806,023.61x = 493,243,590,076.54
  5. Step 5: Solve for x
    x = 493,243,590,076.54/806,023.61
  6. Step 6: Final answer
    x = 611,946.83

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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.