Home / 1,702,140.20-2,553,210.30-1,223,843.30

Finding the Fourth Proportional to 1,702,140.20, 2,553,210.30 and 1,223,843.30

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Solution

The fourth proportional to 1,702,140.20, 2,553,210.30 and 1,223,843.30 is: 1,835,764.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702,140.20 : 2,553,210.30 = 1,223,843.30 : x
  2. Step 2: Convert to fraction form
    1,702,140.20/2,553,210.30 = 1,223,843.30/x
  3. Step 3: Cross multiply
    1,702,140.20x = 2,553,210.30 × 1,223,843.30
  4. Step 4: Simplify right side
    1,702,140.20x = 3,124,729,319,145.99
  5. Step 5: Solve for x
    x = 3,124,729,319,145.99/1,702,140.20
  6. Step 6: Final answer
    x = 1,835,764.95

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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.