Home / 1,423,895.45-1,964,739.53-812,092.68

Finding the Fourth Proportional to 1,423,895.45, 1,964,739.53 and 812,092.68

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Solution

The fourth proportional to 1,423,895.45, 1,964,739.53 and 812,092.68 is: 1,120,553.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,895.45 : 1,964,739.53 = 812,092.68 : x
  2. Step 2: Convert to fraction form
    1,423,895.45/1,964,739.53 = 812,092.68/x
  3. Step 3: Cross multiply
    1,423,895.45x = 1,964,739.53 × 812,092.68
  4. Step 4: Simplify right side
    1,423,895.45x = 1,595,550,586,359.18
  5. Step 5: Solve for x
    x = 1,595,550,586,359.18/1,423,895.45
  6. Step 6: Final answer
    x = 1,120,553.19

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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.