Home / 1,657,679.40-2,486,519.10-1,152,810.45

Finding the Fourth Proportional to 1,657,679.40, 2,486,519.10 and 1,152,810.45

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Solution

The fourth proportional to 1,657,679.40, 2,486,519.10 and 1,152,810.45 is: 1,729,215.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,679.40 : 2,486,519.10 = 1,152,810.45 : x
  2. Step 2: Convert to fraction form
    1,657,679.40/2,486,519.10 = 1,152,810.45/x
  3. Step 3: Cross multiply
    1,657,679.40x = 2,486,519.10 × 1,152,810.45
  4. Step 4: Simplify right side
    1,657,679.40x = 2,866,485,202,604.60
  5. Step 5: Solve for x
    x = 2,866,485,202,604.60/1,657,679.40
  6. Step 6: Final answer
    x = 1,729,215.68

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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.