Home / 1,474,311.64-2,035,177.80-991,157

Finding the Fourth Proportional to 1,474,311.64, 2,035,177.80 and 991,157

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Solution

The fourth proportional to 1,474,311.64, 2,035,177.80 and 991,157 is: 1,368,218.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474,311.64 : 2,035,177.80 = 991,157 : x
  2. Step 2: Convert to fraction form
    1,474,311.64/2,035,177.80 = 991,157/x
  3. Step 3: Cross multiply
    1,474,311.64x = 2,035,177.80 × 991,157
  4. Step 4: Simplify right side
    1,474,311.64x = 2,017,180,722,714.60
  5. Step 5: Solve for x
    x = 2,017,180,722,714.60/1,474,311.64
  6. Step 6: Final answer
    x = 1,368,218.68

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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.