Home / 679,983.22-938,371.65-374,053.01

Finding the Fourth Proportional to 679,983.22, 938,371.65 and 374,053.01

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Solution

The fourth proportional to 679,983.22, 938,371.65 and 374,053.01 is: 516,190.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,983.22 : 938,371.65 = 374,053.01 : x
  2. Step 2: Convert to fraction form
    679,983.22/938,371.65 = 374,053.01/x
  3. Step 3: Cross multiply
    679,983.22x = 938,371.65 × 374,053.01
  4. Step 4: Simplify right side
    679,983.22x = 351,000,740,181.17
  5. Step 5: Solve for x
    x = 351,000,740,181.17/679,983.22
  6. Step 6: Final answer
    x = 516,190.30

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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.