Home / 436,238.55-602,002.80-242,644.23

Finding the Fourth Proportional to 436,238.55, 602,002.80 and 242,644.23

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Solution

The fourth proportional to 436,238.55, 602,002.80 and 242,644.23 is: 334,845.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,238.55 : 602,002.80 = 242,644.23 : x
  2. Step 2: Convert to fraction form
    436,238.55/602,002.80 = 242,644.23/x
  3. Step 3: Cross multiply
    436,238.55x = 602,002.80 × 242,644.23
  4. Step 4: Simplify right side
    436,238.55x = 146,072,505,863.84
  5. Step 5: Solve for x
    x = 146,072,505,863.84/436,238.55
  6. Step 6: Final answer
    x = 334,845.48

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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.