Home / 992,051.52-1,369,690.40-762,199.36

Finding the Fourth Proportional to 992,051.52, 1,369,690.40 and 762,199.36

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Solution

The fourth proportional to 992,051.52, 1,369,690.40 and 762,199.36 is: 1,052,341.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,051.52 : 1,369,690.40 = 762,199.36 : x
  2. Step 2: Convert to fraction form
    992,051.52/1,369,690.40 = 762,199.36/x
  3. Step 3: Cross multiply
    992,051.52x = 1,369,690.40 × 762,199.36
  4. Step 4: Simplify right side
    992,051.52x = 1,043,977,146,278.14
  5. Step 5: Solve for x
    x = 1,043,977,146,278.14/992,051.52
  6. Step 6: Final answer
    x = 1,052,341.66

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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.