Home / 1,931,498.80-2,896,729.80-809,335.60

Finding the Fourth Proportional to 1,931,498.80, 2,896,729.80 and 809,335.60

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Solution

The fourth proportional to 1,931,498.80, 2,896,729.80 and 809,335.60 is: 1,213,786.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,498.80 : 2,896,729.80 = 809,335.60 : x
  2. Step 2: Convert to fraction form
    1,931,498.80/2,896,729.80 = 809,335.60/x
  3. Step 3: Cross multiply
    1,931,498.80x = 2,896,729.80 × 809,335.60
  4. Step 4: Simplify right side
    1,931,498.80x = 2,344,426,550,720.88
  5. Step 5: Solve for x
    x = 2,344,426,550,720.88/1,931,498.80
  6. Step 6: Final answer
    x = 1,213,786.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.