Home / 776,152.56-1,164,229.14-349,189.80

Finding the Fourth Proportional to 776,152.56, 1,164,229.14 and 349,189.80

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Solution

The fourth proportional to 776,152.56, 1,164,229.14 and 349,189.80 is: 523,784.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,152.56 : 1,164,229.14 = 349,189.80 : x
  2. Step 2: Convert to fraction form
    776,152.56/1,164,229.14 = 349,189.80/x
  3. Step 3: Cross multiply
    776,152.56x = 1,164,229.14 × 349,189.80
  4. Step 4: Simplify right side
    776,152.56x = 406,536,940,550.77
  5. Step 5: Solve for x
    x = 406,536,940,550.77/776,152.56
  6. Step 6: Final answer
    x = 523,784.83

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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.