Home / 436,645.20-602,569.44-245,658.72

Finding the Fourth Proportional to 436,645.20, 602,569.44 and 245,658.72

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Solution

The fourth proportional to 436,645.20, 602,569.44 and 245,658.72 is: 339,008.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,645.20 : 602,569.44 = 245,658.72 : x
  2. Step 2: Convert to fraction form
    436,645.20/602,569.44 = 245,658.72/x
  3. Step 3: Cross multiply
    436,645.20x = 602,569.44 × 245,658.72
  4. Step 4: Simplify right side
    436,645.20x = 148,026,437,341.52
  5. Step 5: Solve for x
    x = 148,026,437,341.52/436,645.20
  6. Step 6: Final answer
    x = 339,008.51

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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.