Home / 668,051.80-1,002,077.70-194,752.60

Finding the Fourth Proportional to 668,051.80, 1,002,077.70 and 194,752.60

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Solution

The fourth proportional to 668,051.80, 1,002,077.70 and 194,752.60 is: 292,128.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,051.80 : 1,002,077.70 = 194,752.60 : x
  2. Step 2: Convert to fraction form
    668,051.80/1,002,077.70 = 194,752.60/x
  3. Step 3: Cross multiply
    668,051.80x = 1,002,077.70 × 194,752.60
  4. Step 4: Simplify right side
    668,051.80x = 195,157,237,477.02
  5. Step 5: Solve for x
    x = 195,157,237,477.02/668,051.80
  6. Step 6: Final answer
    x = 292,128.90

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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.