Home / 436,389.07-654,577.02-196,333.45

Finding the Fourth Proportional to 436,389.07, 654,577.02 and 196,333.45

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Solution

The fourth proportional to 436,389.07, 654,577.02 and 196,333.45 is: 294,497.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,389.07 : 654,577.02 = 196,333.45 : x
  2. Step 2: Convert to fraction form
    436,389.07/654,577.02 = 196,333.45/x
  3. Step 3: Cross multiply
    436,389.07x = 654,577.02 × 196,333.45
  4. Step 4: Simplify right side
    436,389.07x = 128,515,364,627.32
  5. Step 5: Solve for x
    x = 128,515,364,627.32/436,389.07
  6. Step 6: Final answer
    x = 294,497.21

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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.