Home / 1,003,425.72-1,384,731.12-544,540.20

Finding the Fourth Proportional to 1,003,425.72, 1,384,731.12 and 544,540.20

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Solution

The fourth proportional to 1,003,425.72, 1,384,731.12 and 544,540.20 is: 751,467.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,425.72 : 1,384,731.12 = 544,540.20 : x
  2. Step 2: Convert to fraction form
    1,003,425.72/1,384,731.12 = 544,540.20/x
  3. Step 3: Cross multiply
    1,003,425.72x = 1,384,731.12 × 544,540.20
  4. Step 4: Simplify right side
    1,003,425.72x = 754,041,761,031.02
  5. Step 5: Solve for x
    x = 754,041,761,031.02/1,003,425.72
  6. Step 6: Final answer
    x = 751,467.44

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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.