Home / 986,645.32-1,361,574.90-533,936.44

Finding the Fourth Proportional to 986,645.32, 1,361,574.90 and 533,936.44

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Solution

The fourth proportional to 986,645.32, 1,361,574.90 and 533,936.44 is: 736,834.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,645.32 : 1,361,574.90 = 533,936.44 : x
  2. Step 2: Convert to fraction form
    986,645.32/1,361,574.90 = 533,936.44/x
  3. Step 3: Cross multiply
    986,645.32x = 1,361,574.90 × 533,936.44
  4. Step 4: Simplify right side
    986,645.32x = 726,994,454,899.36
  5. Step 5: Solve for x
    x = 726,994,454,899.36/986,645.32
  6. Step 6: Final answer
    x = 736,834.65

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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.