Home / 1,137,533.76-1,569,805.92-628,244.64

Finding the Fourth Proportional to 1,137,533.76, 1,569,805.92 and 628,244.64

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Solution

The fourth proportional to 1,137,533.76, 1,569,805.92 and 628,244.64 is: 866,982.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,533.76 : 1,569,805.92 = 628,244.64 : x
  2. Step 2: Convert to fraction form
    1,137,533.76/1,569,805.92 = 628,244.64/x
  3. Step 3: Cross multiply
    1,137,533.76x = 1,569,805.92 × 628,244.64
  4. Step 4: Simplify right side
    1,137,533.76x = 986,222,155,080.27
  5. Step 5: Solve for x
    x = 986,222,155,080.27/1,137,533.76
  6. Step 6: Final answer
    x = 866,982.76

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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.