Home / 1,198,664.64-1,654,152.16-662,120.64

Finding the Fourth Proportional to 1,198,664.64, 1,654,152.16 and 662,120.64

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Solution

The fourth proportional to 1,198,664.64, 1,654,152.16 and 662,120.64 is: 913,723.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,664.64 : 1,654,152.16 = 662,120.64 : x
  2. Step 2: Convert to fraction form
    1,198,664.64/1,654,152.16 = 662,120.64/x
  3. Step 3: Cross multiply
    1,198,664.64x = 1,654,152.16 × 662,120.64
  4. Step 4: Simplify right side
    1,198,664.64x = 1,095,248,286,836.58
  5. Step 5: Solve for x
    x = 1,095,248,286,836.58/1,198,664.64
  6. Step 6: Final answer
    x = 913,723.70

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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.