Home / 436,638.76-602,561.33-243,042.34

Finding the Fourth Proportional to 436,638.76, 602,561.33 and 243,042.34

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Solution

The fourth proportional to 436,638.76, 602,561.33 and 243,042.34 is: 335,398.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,638.76 : 602,561.33 = 243,042.34 : x
  2. Step 2: Convert to fraction form
    436,638.76/602,561.33 = 243,042.34/x
  3. Step 3: Cross multiply
    436,638.76x = 602,561.33 × 243,042.34
  4. Step 4: Simplify right side
    436,638.76x = 146,447,912,414.25
  5. Step 5: Solve for x
    x = 146,447,912,414.25/436,638.76
  6. Step 6: Final answer
    x = 335,398.33

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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.