Home / 776,002.33-1,164,178.63-236,306.87

Finding the Fourth Proportional to 776,002.33, 1,164,178.63 and 236,306.87

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Solution

The fourth proportional to 776,002.33, 1,164,178.63 and 236,306.87 is: 354,513.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,002.33 : 1,164,178.63 = 236,306.87 : x
  2. Step 2: Convert to fraction form
    776,002.33/1,164,178.63 = 236,306.87/x
  3. Step 3: Cross multiply
    776,002.33x = 1,164,178.63 × 236,306.87
  4. Step 4: Simplify right side
    776,002.33x = 275,103,405,687.12
  5. Step 5: Solve for x
    x = 275,103,405,687.12/776,002.33
  6. Step 6: Final answer
    x = 354,513.64

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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.