Home / 718,133.66-1,077,237.40-185,659.30

Finding the Fourth Proportional to 718,133.66, 1,077,237.40 and 185,659.30

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Solution

The fourth proportional to 718,133.66, 1,077,237.40 and 185,659.30 is: 278,498.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,133.66 : 1,077,237.40 = 185,659.30 : x
  2. Step 2: Convert to fraction form
    718,133.66/1,077,237.40 = 185,659.30/x
  3. Step 3: Cross multiply
    718,133.66x = 1,077,237.40 × 185,659.30
  4. Step 4: Simplify right side
    718,133.66x = 199,999,141,617.82
  5. Step 5: Solve for x
    x = 199,999,141,617.82/718,133.66
  6. Step 6: Final answer
    x = 278,498.49

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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.