Home / 811,647.60-1,216,434.60-623,727.60

Finding the Fourth Proportional to 811,647.60, 1,216,434.60 and 623,727.60

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Solution

The fourth proportional to 811,647.60, 1,216,434.60 and 623,727.60 is: 934,794.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,647.60 : 1,216,434.60 = 623,727.60 : x
  2. Step 2: Convert to fraction form
    811,647.60/1,216,434.60 = 623,727.60/x
  3. Step 3: Cross multiply
    811,647.60x = 1,216,434.60 × 623,727.60
  4. Step 4: Simplify right side
    811,647.60x = 758,723,833,614.96
  5. Step 5: Solve for x
    x = 758,723,833,614.96/811,647.60
  6. Step 6: Final answer
    x = 934,794.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.