Home / 1,333,461.06-1,840,180.89-721,613.66

Finding the Fourth Proportional to 1,333,461.06, 1,840,180.89 and 721,613.66

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Solution

The fourth proportional to 1,333,461.06, 1,840,180.89 and 721,613.66 is: 995,829.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,461.06 : 1,840,180.89 = 721,613.66 : x
  2. Step 2: Convert to fraction form
    1,333,461.06/1,840,180.89 = 721,613.66/x
  3. Step 3: Cross multiply
    1,333,461.06x = 1,840,180.89 × 721,613.66
  4. Step 4: Simplify right side
    1,333,461.06x = 1,327,899,667,094.96
  5. Step 5: Solve for x
    x = 1,327,899,667,094.96/1,333,461.06
  6. Step 6: Final answer
    x = 995,829.35

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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.