Home / 939,071.29-1,294,891.36-697,801.45

Finding the Fourth Proportional to 939,071.29, 1,294,891.36 and 697,801.45

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Solution

The fourth proportional to 939,071.29, 1,294,891.36 and 697,801.45 is: 962,202.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,071.29 : 1,294,891.36 = 697,801.45 : x
  2. Step 2: Convert to fraction form
    939,071.29/1,294,891.36 = 697,801.45/x
  3. Step 3: Cross multiply
    939,071.29x = 1,294,891.36 × 697,801.45
  4. Step 4: Simplify right side
    939,071.29x = 903,577,068,600.47
  5. Step 5: Solve for x
    x = 903,577,068,600.47/939,071.29
  6. Step 6: Final answer
    x = 962,202.85

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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.