Home / 1,137,522.76-1,569,790.74-628,233.64

Finding the Fourth Proportional to 1,137,522.76, 1,569,790.74 and 628,233.64

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Solution

The fourth proportional to 1,137,522.76, 1,569,790.74 and 628,233.64 is: 866,967.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,522.76 : 1,569,790.74 = 628,233.64 : x
  2. Step 2: Convert to fraction form
    1,137,522.76/1,569,790.74 = 628,233.64/x
  3. Step 3: Cross multiply
    1,137,522.76x = 1,569,790.74 × 628,233.64
  4. Step 4: Simplify right side
    1,137,522.76x = 986,195,350,628.49
  5. Step 5: Solve for x
    x = 986,195,350,628.49/1,137,522.76
  6. Step 6: Final answer
    x = 866,967.58

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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.