Home / 1,333,381.97-1,840,053.12-721,521.38

Finding the Fourth Proportional to 1,333,381.97, 1,840,053.12 and 721,521.38

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Solution

The fourth proportional to 1,333,381.97, 1,840,053.12 and 721,521.38 is: 995,691.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,381.97 : 1,840,053.12 = 721,521.38 : x
  2. Step 2: Convert to fraction form
    1,333,381.97/1,840,053.12 = 721,521.38/x
  3. Step 3: Cross multiply
    1,333,381.97x = 1,840,053.12 × 721,521.38
  4. Step 4: Simplify right side
    1,333,381.97x = 1,327,637,666,415.71
  5. Step 5: Solve for x
    x = 1,327,637,666,415.71/1,333,381.97
  6. Step 6: Final answer
    x = 995,691.93

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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.