Home / 433,549.20-649,886.40-197,061.60

Finding the Fourth Proportional to 433,549.20, 649,886.40 and 197,061.60

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Solution

The fourth proportional to 433,549.20, 649,886.40 and 197,061.60 is: 295,393.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,549.20 : 649,886.40 = 197,061.60 : x
  2. Step 2: Convert to fraction form
    433,549.20/649,886.40 = 197,061.60/x
  3. Step 3: Cross multiply
    433,549.20x = 649,886.40 × 197,061.60
  4. Step 4: Simplify right side
    433,549.20x = 128,067,653,802.24
  5. Step 5: Solve for x
    x = 128,067,653,802.24/433,549.20
  6. Step 6: Final answer
    x = 295,393.59

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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.