Home / 1,250,666.62-1,875,540.38-429,772.44

Finding the Fourth Proportional to 1,250,666.62, 1,875,540.38 and 429,772.44

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Solution

The fourth proportional to 1,250,666.62, 1,875,540.38 and 429,772.44 is: 644,500.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,666.62 : 1,875,540.38 = 429,772.44 : x
  2. Step 2: Convert to fraction form
    1,250,666.62/1,875,540.38 = 429,772.44/x
  3. Step 3: Cross multiply
    1,250,666.62x = 1,875,540.38 × 429,772.44
  4. Step 4: Simplify right side
    1,250,666.62x = 806,055,565,431.13
  5. Step 5: Solve for x
    x = 806,055,565,431.13/1,250,666.62
  6. Step 6: Final answer
    x = 644,500.74

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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.