Home / 1,333,407.17-1,840,106.74-721,559.87

Finding the Fourth Proportional to 1,333,407.17, 1,840,106.74 and 721,559.87

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Solution

The fourth proportional to 1,333,407.17, 1,840,106.74 and 721,559.87 is: 995,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,407.17 : 1,840,106.74 = 721,559.87 : x
  2. Step 2: Convert to fraction form
    1,333,407.17/1,840,106.74 = 721,559.87/x
  3. Step 3: Cross multiply
    1,333,407.17x = 1,840,106.74 × 721,559.87
  4. Step 4: Simplify right side
    1,333,407.17x = 1,327,747,170,899.99
  5. Step 5: Solve for x
    x = 1,327,747,170,899.99/1,333,407.17
  6. Step 6: Final answer
    x = 995,755.24

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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.