Home / 436,771.76-602,743.10-245,788.36

Finding the Fourth Proportional to 436,771.76, 602,743.10 and 245,788.36

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Solution

The fourth proportional to 436,771.76, 602,743.10 and 245,788.36 is: 339,186.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,771.76 : 602,743.10 = 245,788.36 : x
  2. Step 2: Convert to fraction form
    436,771.76/602,743.10 = 245,788.36/x
  3. Step 3: Cross multiply
    436,771.76x = 602,743.10 × 245,788.36
  4. Step 4: Simplify right side
    436,771.76x = 148,147,238,050.32
  5. Step 5: Solve for x
    x = 148,147,238,050.32/436,771.76
  6. Step 6: Final answer
    x = 339,186.85

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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.