Home / 501,939.22-692,677.38-275,599.30

Finding the Fourth Proportional to 501,939.22, 692,677.38 and 275,599.30

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Solution

The fourth proportional to 501,939.22, 692,677.38 and 275,599.30 is: 380,327.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,939.22 : 692,677.38 = 275,599.30 : x
  2. Step 2: Convert to fraction form
    501,939.22/692,677.38 = 275,599.30/x
  3. Step 3: Cross multiply
    501,939.22x = 692,677.38 × 275,599.30
  4. Step 4: Simplify right side
    501,939.22x = 190,901,401,053.83
  5. Step 5: Solve for x
    x = 190,901,401,053.83/501,939.22
  6. Step 6: Final answer
    x = 380,327.72

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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.