Home / 878,208.98-1,211,259.71-755,909.51

Finding the Fourth Proportional to 878,208.98, 1,211,259.71 and 755,909.51

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Solution

The fourth proportional to 878,208.98, 1,211,259.71 and 755,909.51 is: 1,042,579.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,208.98 : 1,211,259.71 = 755,909.51 : x
  2. Step 2: Convert to fraction form
    878,208.98/1,211,259.71 = 755,909.51/x
  3. Step 3: Cross multiply
    878,208.98x = 1,211,259.71 × 755,909.51
  4. Step 4: Simplify right side
    878,208.98x = 915,602,724,033.00
  5. Step 5: Solve for x
    x = 915,602,724,033.00/878,208.98
  6. Step 6: Final answer
    x = 1,042,579.56

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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.