Home / 1,198,656.64-1,654,141.12-662,112.64

Finding the Fourth Proportional to 1,198,656.64, 1,654,141.12 and 662,112.64

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Solution

The fourth proportional to 1,198,656.64, 1,654,141.12 and 662,112.64 is: 913,712.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,656.64 : 1,654,141.12 = 662,112.64 : x
  2. Step 2: Convert to fraction form
    1,198,656.64/1,654,141.12 = 662,112.64/x
  3. Step 3: Cross multiply
    1,198,656.64x = 1,654,141.12 × 662,112.64
  4. Step 4: Simplify right side
    1,198,656.64x = 1,095,227,743,895.76
  5. Step 5: Solve for x
    x = 1,095,227,743,895.76/1,198,656.64
  6. Step 6: Final answer
    x = 913,712.66

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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.