Home / 986,620.40-1,361,536.12-533,911.40

Finding the Fourth Proportional to 986,620.40, 1,361,536.12 and 533,911.40

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Solution

The fourth proportional to 986,620.40, 1,361,536.12 and 533,911.40 is: 736,797.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,620.40 : 1,361,536.12 = 533,911.40 : x
  2. Step 2: Convert to fraction form
    986,620.40/1,361,536.12 = 533,911.40/x
  3. Step 3: Cross multiply
    986,620.40x = 1,361,536.12 × 533,911.40
  4. Step 4: Simplify right side
    986,620.40x = 726,939,655,979.77
  5. Step 5: Solve for x
    x = 726,939,655,979.77/986,620.40
  6. Step 6: Final answer
    x = 736,797.71

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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.