Home / 671,655.83-1,007,616.70-191,887.71

Finding the Fourth Proportional to 671,655.83, 1,007,616.70 and 191,887.71

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Solution

The fourth proportional to 671,655.83, 1,007,616.70 and 191,887.71 is: 287,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,655.83 : 1,007,616.70 = 191,887.71 : x
  2. Step 2: Convert to fraction form
    671,655.83/1,007,616.70 = 191,887.71/x
  3. Step 3: Cross multiply
    671,655.83x = 1,007,616.70 × 191,887.71
  4. Step 4: Simplify right side
    671,655.83x = 193,349,261,120.76
  5. Step 5: Solve for x
    x = 193,349,261,120.76/671,655.83
  6. Step 6: Final answer
    x = 287,869.55

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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.