Home / 1,429,383.15-2,143,619.51-469,615.95

Finding the Fourth Proportional to 1,429,383.15, 2,143,619.51 and 469,615.95

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Solution

The fourth proportional to 1,429,383.15, 2,143,619.51 and 469,615.95 is: 704,274.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,383.15 : 2,143,619.51 = 469,615.95 : x
  2. Step 2: Convert to fraction form
    1,429,383.15/2,143,619.51 = 469,615.95/x
  3. Step 3: Cross multiply
    1,429,383.15x = 2,143,619.51 × 469,615.95
  4. Step 4: Simplify right side
    1,429,383.15x = 1,006,677,910,279.10
  5. Step 5: Solve for x
    x = 1,006,677,910,279.10/1,429,383.15
  6. Step 6: Final answer
    x = 704,274.36

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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.