Home / 806,409.51-1,208,936.28-539,354.94

Finding the Fourth Proportional to 806,409.51, 1,208,936.28 and 539,354.94

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Solution

The fourth proportional to 806,409.51, 1,208,936.28 and 539,354.94 is: 808,578.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,409.51 : 1,208,936.28 = 539,354.94 : x
  2. Step 2: Convert to fraction form
    806,409.51/1,208,936.28 = 539,354.94/x
  3. Step 3: Cross multiply
    806,409.51x = 1,208,936.28 × 539,354.94
  4. Step 4: Simplify right side
    806,409.51x = 652,045,752,252.29
  5. Step 5: Solve for x
    x = 652,045,752,252.29/806,409.51
  6. Step 6: Final answer
    x = 808,578.95

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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.