Home / 1,609,930-2,221,218.40-965,114.92

Finding the Fourth Proportional to 1,609,930, 2,221,218.40 and 965,114.92

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Solution

The fourth proportional to 1,609,930, 2,221,218.40 and 965,114.92 is: 1,331,567.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,930 : 2,221,218.40 = 965,114.92 : x
  2. Step 2: Convert to fraction form
    1,609,930/2,221,218.40 = 965,114.92/x
  3. Step 3: Cross multiply
    1,609,930x = 2,221,218.40 × 965,114.92
  4. Step 4: Simplify right side
    1,609,930x = 2,143,731,018,418.53
  5. Step 5: Solve for x
    x = 2,143,731,018,418.53/1,609,930
  6. Step 6: Final answer
    x = 1,331,567.84

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Double scale
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Similar ratio
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1.5x scale

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.