Home / 879,269.94-1,213,457.76-492,124.14

Finding the Fourth Proportional to 879,269.94, 1,213,457.76 and 492,124.14

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Solution

The fourth proportional to 879,269.94, 1,213,457.76 and 492,124.14 is: 679,167.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,269.94 : 1,213,457.76 = 492,124.14 : x
  2. Step 2: Convert to fraction form
    879,269.94/1,213,457.76 = 492,124.14/x
  3. Step 3: Cross multiply
    879,269.94x = 1,213,457.76 × 492,124.14
  4. Step 4: Simplify right side
    879,269.94x = 597,171,856,566.33
  5. Step 5: Solve for x
    x = 597,171,856,566.33/879,269.94
  6. Step 6: Final answer
    x = 679,167.83

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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.