Home / 1,296,046.40-1,944,069.60-1,240,059.20

Finding the Fourth Proportional to 1,296,046.40, 1,944,069.60 and 1,240,059.20

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Solution

The fourth proportional to 1,296,046.40, 1,944,069.60 and 1,240,059.20 is: 1,860,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,046.40 : 1,944,069.60 = 1,240,059.20 : x
  2. Step 2: Convert to fraction form
    1,296,046.40/1,944,069.60 = 1,240,059.20/x
  3. Step 3: Cross multiply
    1,296,046.40x = 1,944,069.60 × 1,240,059.20
  4. Step 4: Simplify right side
    1,296,046.40x = 2,410,761,392,920.32
  5. Step 5: Solve for x
    x = 2,410,761,392,920.32/1,296,046.40
  6. Step 6: Final answer
    x = 1,860,088.80

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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.