Home / 986,544.55-1,361,437.77-578,563.21

Finding the Fourth Proportional to 986,544.55, 1,361,437.77 and 578,563.21

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Solution

The fourth proportional to 986,544.55, 1,361,437.77 and 578,563.21 is: 798,420.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,544.55 : 1,361,437.77 = 578,563.21 : x
  2. Step 2: Convert to fraction form
    986,544.55/1,361,437.77 = 578,563.21/x
  3. Step 3: Cross multiply
    986,544.55x = 1,361,437.77 × 578,563.21
  4. Step 4: Simplify right side
    986,544.55x = 787,677,806,426.44
  5. Step 5: Solve for x
    x = 787,677,806,426.44/986,544.55
  6. Step 6: Final answer
    x = 798,420.92

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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.