Home / 1,215,189.33-1,676,953.31-671,360.19

Finding the Fourth Proportional to 1,215,189.33, 1,676,953.31 and 671,360.19

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Solution

The fourth proportional to 1,215,189.33, 1,676,953.31 and 671,360.19 is: 926,472.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,189.33 : 1,676,953.31 = 671,360.19 : x
  2. Step 2: Convert to fraction form
    1,215,189.33/1,676,953.31 = 671,360.19/x
  3. Step 3: Cross multiply
    1,215,189.33x = 1,676,953.31 × 671,360.19
  4. Step 4: Simplify right side
    1,215,189.33x = 1,125,839,689,465.93
  5. Step 5: Solve for x
    x = 1,125,839,689,465.93/1,215,189.33
  6. Step 6: Final answer
    x = 926,472.66

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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.