Home / 940,899.10-1,298,415.47-553,737.29

Finding the Fourth Proportional to 940,899.10, 1,298,415.47 and 553,737.29

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Solution

The fourth proportional to 940,899.10, 1,298,415.47 and 553,737.29 is: 764,142.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,899.10 : 1,298,415.47 = 553,737.29 : x
  2. Step 2: Convert to fraction form
    940,899.10/1,298,415.47 = 553,737.29/x
  3. Step 3: Cross multiply
    940,899.10x = 1,298,415.47 × 553,737.29
  4. Step 4: Simplify right side
    940,899.10x = 718,981,063,651.88
  5. Step 5: Solve for x
    x = 718,981,063,651.88/940,899.10
  6. Step 6: Final answer
    x = 764,142.58

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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.