Home / 668,055.60-1,001,986.20-194,691.60

Finding the Fourth Proportional to 668,055.60, 1,001,986.20 and 194,691.60

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Solution

The fourth proportional to 668,055.60, 1,001,986.20 and 194,691.60 is: 292,009.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,055.60 : 1,001,986.20 = 194,691.60 : x
  2. Step 2: Convert to fraction form
    668,055.60/1,001,986.20 = 194,691.60/x
  3. Step 3: Cross multiply
    668,055.60x = 1,001,986.20 × 194,691.60
  4. Step 4: Simplify right side
    668,055.60x = 195,078,296,455.92
  5. Step 5: Solve for x
    x = 195,078,296,455.92/668,055.60
  6. Step 6: Final answer
    x = 292,009.07

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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.