Home / 436,097.20-654,145.80-236,513.20

Finding the Fourth Proportional to 436,097.20, 654,145.80 and 236,513.20

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Solution

The fourth proportional to 436,097.20, 654,145.80 and 236,513.20 is: 354,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,097.20 : 654,145.80 = 236,513.20 : x
  2. Step 2: Convert to fraction form
    436,097.20/654,145.80 = 236,513.20/x
  3. Step 3: Cross multiply
    436,097.20x = 654,145.80 × 236,513.20
  4. Step 4: Simplify right side
    436,097.20x = 154,714,116,424.56
  5. Step 5: Solve for x
    x = 154,714,116,424.56/436,097.20
  6. Step 6: Final answer
    x = 354,769.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.