Home / 1,384,435.15-1,910,516.82-772,581.26

Finding the Fourth Proportional to 1,384,435.15, 1,910,516.82 and 772,581.26

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Solution

The fourth proportional to 1,384,435.15, 1,910,516.82 and 772,581.26 is: 1,066,160.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,435.15 : 1,910,516.82 = 772,581.26 : x
  2. Step 2: Convert to fraction form
    1,384,435.15/1,910,516.82 = 772,581.26/x
  3. Step 3: Cross multiply
    1,384,435.15x = 1,910,516.82 × 772,581.26
  4. Step 4: Simplify right side
    1,384,435.15x = 1,476,029,492,046.79
  5. Step 5: Solve for x
    x = 1,476,029,492,046.79/1,384,435.15
  6. Step 6: Final answer
    x = 1,066,160.08

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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.