Home / 1,531,332-2,296,822.86-409,488.48

Finding the Fourth Proportional to 1,531,332, 2,296,822.86 and 409,488.48

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Solution

The fourth proportional to 1,531,332, 2,296,822.86 and 409,488.48 is: 614,185.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,332 : 2,296,822.86 = 409,488.48 : x
  2. Step 2: Convert to fraction form
    1,531,332/2,296,822.86 = 409,488.48/x
  3. Step 3: Cross multiply
    1,531,332x = 2,296,822.86 × 409,488.48
  4. Step 4: Simplify right side
    1,531,332x = 940,522,501,770.65
  5. Step 5: Solve for x
    x = 940,522,501,770.65/1,531,332
  6. Step 6: Final answer
    x = 614,185.89

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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.