Home / 1,333,460.06-1,840,179.51-721,612.66

Finding the Fourth Proportional to 1,333,460.06, 1,840,179.51 and 721,612.66

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Solution

The fourth proportional to 1,333,460.06, 1,840,179.51 and 721,612.66 is: 995,827.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,460.06 : 1,840,179.51 = 721,612.66 : x
  2. Step 2: Convert to fraction form
    1,333,460.06/1,840,179.51 = 721,612.66/x
  3. Step 3: Cross multiply
    1,333,460.06x = 1,840,179.51 × 721,612.66
  4. Step 4: Simplify right side
    1,333,460.06x = 1,327,896,818,279.64
  5. Step 5: Solve for x
    x = 1,327,896,818,279.64/1,333,460.06
  6. Step 6: Final answer
    x = 995,827.97

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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.