Home / 825,817.86-1,238,849.91-293,294.16

Finding the Fourth Proportional to 825,817.86, 1,238,849.91 and 293,294.16

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Solution

The fourth proportional to 825,817.86, 1,238,849.91 and 293,294.16 is: 439,984.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,817.86 : 1,238,849.91 = 293,294.16 : x
  2. Step 2: Convert to fraction form
    825,817.86/1,238,849.91 = 293,294.16/x
  3. Step 3: Cross multiply
    825,817.86x = 1,238,849.91 × 293,294.16
  4. Step 4: Simplify right side
    825,817.86x = 363,347,443,719.53
  5. Step 5: Solve for x
    x = 363,347,443,719.53/825,817.86
  6. Step 6: Final answer
    x = 439,984.97

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1.5x scale

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.