Home / 436,640.76-602,564.09-243,044.34

Finding the Fourth Proportional to 436,640.76, 602,564.09 and 243,044.34

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Solution

The fourth proportional to 436,640.76, 602,564.09 and 243,044.34 is: 335,401.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,640.76 : 602,564.09 = 243,044.34 : x
  2. Step 2: Convert to fraction form
    436,640.76/602,564.09 = 243,044.34/x
  3. Step 3: Cross multiply
    436,640.76x = 602,564.09 × 243,044.34
  4. Step 4: Simplify right side
    436,640.76x = 146,449,791,561.75
  5. Step 5: Solve for x
    x = 146,449,791,561.75/436,640.76
  6. Step 6: Final answer
    x = 335,401.10

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1.5x scale

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.