Home / 1,333,407.36-1,840,107-721,560.06

Finding the Fourth Proportional to 1,333,407.36, 1,840,107 and 721,560.06

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Solution

The fourth proportional to 1,333,407.36, 1,840,107 and 721,560.06 is: 995,755.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,407.36 : 1,840,107 = 721,560.06 : x
  2. Step 2: Convert to fraction form
    1,333,407.36/1,840,107 = 721,560.06/x
  3. Step 3: Cross multiply
    1,333,407.36x = 1,840,107 × 721,560.06
  4. Step 4: Simplify right side
    1,333,407.36x = 1,327,747,717,326.42
  5. Step 5: Solve for x
    x = 1,327,747,717,326.42/1,333,407.36
  6. Step 6: Final answer
    x = 995,755.50

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1.5x scale

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.