Home / 1,190,561.22-1,785,846.69-292,008.78

Finding the Fourth Proportional to 1,190,561.22, 1,785,846.69 and 292,008.78

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Solution

The fourth proportional to 1,190,561.22, 1,785,846.69 and 292,008.78 is: 438,014.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,561.22 : 1,785,846.69 = 292,008.78 : x
  2. Step 2: Convert to fraction form
    1,190,561.22/1,785,846.69 = 292,008.78/x
  3. Step 3: Cross multiply
    1,190,561.22x = 1,785,846.69 × 292,008.78
  4. Step 4: Simplify right side
    1,190,561.22x = 521,482,913,213.94
  5. Step 5: Solve for x
    x = 521,482,913,213.94/1,190,561.22
  6. Step 6: Final answer
    x = 438,014.36

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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.