Home / 1,761,000.40-2,643,250.20-863,455.60

Finding the Fourth Proportional to 1,761,000.40, 2,643,250.20 and 863,455.60

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Solution

The fourth proportional to 1,761,000.40, 2,643,250.20 and 863,455.60 is: 1,296,041.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,000.40 : 2,643,250.20 = 863,455.60 : x
  2. Step 2: Convert to fraction form
    1,761,000.40/2,643,250.20 = 863,455.60/x
  3. Step 3: Cross multiply
    1,761,000.40x = 2,643,250.20 × 863,455.60
  4. Step 4: Simplify right side
    1,761,000.40x = 2,282,329,187,391.12
  5. Step 5: Solve for x
    x = 2,282,329,187,391.12/1,761,000.40
  6. Step 6: Final answer
    x = 1,296,041.27

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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.