Home / 436,623.30-602,497.31-245,632.59

Finding the Fourth Proportional to 436,623.30, 602,497.31 and 245,632.59

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Solution

The fourth proportional to 436,623.30, 602,497.31 and 245,632.59 is: 338,948.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,623.30 : 602,497.31 = 245,632.59 : x
  2. Step 2: Convert to fraction form
    436,623.30/602,497.31 = 245,632.59/x
  3. Step 3: Cross multiply
    436,623.30x = 602,497.31 × 245,632.59
  4. Step 4: Simplify right side
    436,623.30x = 147,992,973,495.17
  5. Step 5: Solve for x
    x = 147,992,973,495.17/436,623.30
  6. Step 6: Final answer
    x = 338,948.87

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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.