Home / 982,369.87-1,355,222.39-710,006.36

Finding the Fourth Proportional to 982,369.87, 1,355,222.39 and 710,006.36

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Solution

The fourth proportional to 982,369.87, 1,355,222.39 and 710,006.36 is: 979,484.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,369.87 : 1,355,222.39 = 710,006.36 : x
  2. Step 2: Convert to fraction form
    982,369.87/1,355,222.39 = 710,006.36/x
  3. Step 3: Cross multiply
    982,369.87x = 1,355,222.39 × 710,006.36
  4. Step 4: Simplify right side
    982,369.87x = 962,216,517,405.17
  5. Step 5: Solve for x
    x = 962,216,517,405.17/982,369.87
  6. Step 6: Final answer
    x = 979,484.96

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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.