Home / 1,342,688.44-1,852,855.38-769,329.88

Finding the Fourth Proportional to 1,342,688.44, 1,852,855.38 and 769,329.88

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Solution

The fourth proportional to 1,342,688.44, 1,852,855.38 and 769,329.88 is: 1,061,643.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,688.44 : 1,852,855.38 = 769,329.88 : x
  2. Step 2: Convert to fraction form
    1,342,688.44/1,852,855.38 = 769,329.88/x
  3. Step 3: Cross multiply
    1,342,688.44x = 1,852,855.38 × 769,329.88
  4. Step 4: Simplify right side
    1,342,688.44x = 1,425,457,007,152.75
  5. Step 5: Solve for x
    x = 1,425,457,007,152.75/1,342,688.44
  6. Step 6: Final answer
    x = 1,061,643.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.