Home / 1,137,563.56-1,569,828.08-628,255

Finding the Fourth Proportional to 1,137,563.56, 1,569,828.08 and 628,255

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Solution

The fourth proportional to 1,137,563.56, 1,569,828.08 and 628,255 is: 866,986.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,563.56 : 1,569,828.08 = 628,255 : x
  2. Step 2: Convert to fraction form
    1,137,563.56/1,569,828.08 = 628,255/x
  3. Step 3: Cross multiply
    1,137,563.56x = 1,569,828.08 × 628,255
  4. Step 4: Simplify right side
    1,137,563.56x = 986,252,340,400.40
  5. Step 5: Solve for x
    x = 986,252,340,400.40/1,137,563.56
  6. Step 6: Final answer
    x = 866,986.58

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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.