Home / 1,342,313.24-1,852,398.42-769,386.92

Finding the Fourth Proportional to 1,342,313.24, 1,852,398.42 and 769,386.92

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Solution

The fourth proportional to 1,342,313.24, 1,852,398.42 and 769,386.92 is: 1,061,757.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,313.24 : 1,852,398.42 = 769,386.92 : x
  2. Step 2: Convert to fraction form
    1,342,313.24/1,852,398.42 = 769,386.92/x
  3. Step 3: Cross multiply
    1,342,313.24x = 1,852,398.42 × 769,386.92
  4. Step 4: Simplify right side
    1,342,313.24x = 1,425,211,114,976.67
  5. Step 5: Solve for x
    x = 1,425,211,114,976.67/1,342,313.24
  6. Step 6: Final answer
    x = 1,061,757.47

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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.