Home / 429,810.74-592,546.03-342,890.78

Finding the Fourth Proportional to 429,810.74, 592,546.03 and 342,890.78

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Solution

The fourth proportional to 429,810.74, 592,546.03 and 342,890.78 is: 472,716.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,810.74 : 592,546.03 = 342,890.78 : x
  2. Step 2: Convert to fraction form
    429,810.74/592,546.03 = 342,890.78/x
  3. Step 3: Cross multiply
    429,810.74x = 592,546.03 × 342,890.78
  4. Step 4: Simplify right side
    429,810.74x = 203,178,568,668.05
  5. Step 5: Solve for x
    x = 203,178,568,668.05/429,810.74
  6. Step 6: Final answer
    x = 472,716.36

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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.