Home / 880,925.68-1,215,762.52-493,806.64

Finding the Fourth Proportional to 880,925.68, 1,215,762.52 and 493,806.64

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Solution

The fourth proportional to 880,925.68, 1,215,762.52 and 493,806.64 is: 681,500.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,925.68 : 1,215,762.52 = 493,806.64 : x
  2. Step 2: Convert to fraction form
    880,925.68/1,215,762.52 = 493,806.64/x
  3. Step 3: Cross multiply
    880,925.68x = 1,215,762.52 × 493,806.64
  4. Step 4: Simplify right side
    880,925.68x = 600,351,605,039.13
  5. Step 5: Solve for x
    x = 600,351,605,039.13/880,925.68
  6. Step 6: Final answer
    x = 681,500.86

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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.