Home / 1,391,624.49-2,086,778.81-539,095.44

Finding the Fourth Proportional to 1,391,624.49, 2,086,778.81 and 539,095.44

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Solution

The fourth proportional to 1,391,624.49, 2,086,778.81 and 539,095.44 is: 808,388.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,624.49 : 2,086,778.81 = 539,095.44 : x
  2. Step 2: Convert to fraction form
    1,391,624.49/2,086,778.81 = 539,095.44/x
  3. Step 3: Cross multiply
    1,391,624.49x = 2,086,778.81 × 539,095.44
  4. Step 4: Simplify right side
    1,391,624.49x = 1,124,972,942,547.51
  5. Step 5: Solve for x
    x = 1,124,972,942,547.51/1,391,624.49
  6. Step 6: Final answer
    x = 808,388.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.