Home / 1,240,208.44-1,711,055.52-781,364

Finding the Fourth Proportional to 1,240,208.44, 1,711,055.52 and 781,364

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Solution

The fourth proportional to 1,240,208.44, 1,711,055.52 and 781,364 is: 1,078,010.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,208.44 : 1,711,055.52 = 781,364 : x
  2. Step 2: Convert to fraction form
    1,240,208.44/1,711,055.52 = 781,364/x
  3. Step 3: Cross multiply
    1,240,208.44x = 1,711,055.52 × 781,364
  4. Step 4: Simplify right side
    1,240,208.44x = 1,336,957,185,329.28
  5. Step 5: Solve for x
    x = 1,336,957,185,329.28/1,240,208.44
  6. Step 6: Final answer
    x = 1,078,010.07

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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.