Home / 436,636.45-602,558.19-243,039.97

Finding the Fourth Proportional to 436,636.45, 602,558.19 and 243,039.97

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Solution

The fourth proportional to 436,636.45, 602,558.19 and 243,039.97 is: 335,395.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,636.45 : 602,558.19 = 243,039.97 : x
  2. Step 2: Convert to fraction form
    436,636.45/602,558.19 = 243,039.97/x
  3. Step 3: Cross multiply
    436,636.45x = 602,558.19 × 243,039.97
  4. Step 4: Simplify right side
    436,636.45x = 146,445,724,420.85
  5. Step 5: Solve for x
    x = 146,445,724,420.85/436,636.45
  6. Step 6: Final answer
    x = 335,395.10

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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.