Home / 389,335.36-583,999.35-123,095.86

Finding the Fourth Proportional to 389,335.36, 583,999.35 and 123,095.86

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Solution

The fourth proportional to 389,335.36, 583,999.35 and 123,095.86 is: 184,642.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,335.36 : 583,999.35 = 123,095.86 : x
  2. Step 2: Convert to fraction form
    389,335.36/583,999.35 = 123,095.86/x
  3. Step 3: Cross multiply
    389,335.36x = 583,999.35 × 123,095.86
  4. Step 4: Simplify right side
    389,335.36x = 71,887,902,227.69
  5. Step 5: Solve for x
    x = 71,887,902,227.69/389,335.36
  6. Step 6: Final answer
    x = 184,642.62

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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.