Home / 1,336,698.45-2,005,047.68-769,828.05

Finding the Fourth Proportional to 1,336,698.45, 2,005,047.68 and 769,828.05

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Solution

The fourth proportional to 1,336,698.45, 2,005,047.68 and 769,828.05 is: 1,154,742.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,698.45 : 2,005,047.68 = 769,828.05 : x
  2. Step 2: Convert to fraction form
    1,336,698.45/2,005,047.68 = 769,828.05/x
  3. Step 3: Cross multiply
    1,336,698.45x = 2,005,047.68 × 769,828.05
  4. Step 4: Simplify right side
    1,336,698.45x = 1,543,541,941,802.28
  5. Step 5: Solve for x
    x = 1,543,541,941,802.28/1,336,698.45
  6. Step 6: Final answer
    x = 1,154,742.08

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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.