Home / 1,229,681.45-1,696,963.41-685,852.47

Finding the Fourth Proportional to 1,229,681.45, 1,696,963.41 and 685,852.47

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Solution

The fourth proportional to 1,229,681.45, 1,696,963.41 and 685,852.47 is: 946,478.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,681.45 : 1,696,963.41 = 685,852.47 : x
  2. Step 2: Convert to fraction form
    1,229,681.45/1,696,963.41 = 685,852.47/x
  3. Step 3: Cross multiply
    1,229,681.45x = 1,696,963.41 × 685,852.47
  4. Step 4: Simplify right side
    1,229,681.45x = 1,163,866,535,191.36
  5. Step 5: Solve for x
    x = 1,163,866,535,191.36/1,229,681.45
  6. Step 6: Final answer
    x = 946,478.08

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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.