Home / 799,709.28-1,103,491.92-513,616.86

Finding the Fourth Proportional to 799,709.28, 1,103,491.92 and 513,616.86

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Solution

The fourth proportional to 799,709.28, 1,103,491.92 and 513,616.86 is: 708,722.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,709.28 : 1,103,491.92 = 513,616.86 : x
  2. Step 2: Convert to fraction form
    799,709.28/1,103,491.92 = 513,616.86/x
  3. Step 3: Cross multiply
    799,709.28x = 1,103,491.92 × 513,616.86
  4. Step 4: Simplify right side
    799,709.28x = 566,772,054,985.77
  5. Step 5: Solve for x
    x = 566,772,054,985.77/799,709.28
  6. Step 6: Final answer
    x = 708,722.62

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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.