Home / 1,290,180.60-1,936,145.70-839,804.40

Finding the Fourth Proportional to 1,290,180.60, 1,936,145.70 and 839,804.40

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Solution

The fourth proportional to 1,290,180.60, 1,936,145.70 and 839,804.40 is: 1,260,276.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,180.60 : 1,936,145.70 = 839,804.40 : x
  2. Step 2: Convert to fraction form
    1,290,180.60/1,936,145.70 = 839,804.40/x
  3. Step 3: Cross multiply
    1,290,180.60x = 1,936,145.70 × 839,804.40
  4. Step 4: Simplify right side
    1,290,180.60x = 1,625,983,677,901.08
  5. Step 5: Solve for x
    x = 1,625,983,677,901.08/1,290,180.60
  6. Step 6: Final answer
    x = 1,260,276.02

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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.