Home / 1,217,563.94-1,680,913.96-734,251.52

Finding the Fourth Proportional to 1,217,563.94, 1,680,913.96 and 734,251.52

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Solution

The fourth proportional to 1,217,563.94, 1,680,913.96 and 734,251.52 is: 1,013,674.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,563.94 : 1,680,913.96 = 734,251.52 : x
  2. Step 2: Convert to fraction form
    1,217,563.94/1,680,913.96 = 734,251.52/x
  3. Step 3: Cross multiply
    1,217,563.94x = 1,680,913.96 × 734,251.52
  4. Step 4: Simplify right side
    1,217,563.94x = 1,234,213,630,119.22
  5. Step 5: Solve for x
    x = 1,234,213,630,119.22/1,217,563.94
  6. Step 6: Final answer
    x = 1,013,674.59

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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.