Home / 1,175,823-1,622,929.56-722,851.56

Finding the Fourth Proportional to 1,175,823, 1,622,929.56 and 722,851.56

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Solution

The fourth proportional to 1,175,823, 1,622,929.56 and 722,851.56 is: 997,715.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,823 : 1,622,929.56 = 722,851.56 : x
  2. Step 2: Convert to fraction form
    1,175,823/1,622,929.56 = 722,851.56/x
  3. Step 3: Cross multiply
    1,175,823x = 1,622,929.56 × 722,851.56
  4. Step 4: Simplify right side
    1,175,823x = 1,173,137,164,216.11
  5. Step 5: Solve for x
    x = 1,173,137,164,216.11/1,175,823
  6. Step 6: Final answer
    x = 997,715.78

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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.