Home / 1,137,872.94-1,570,130.88-628,544.94

Finding the Fourth Proportional to 1,137,872.94, 1,570,130.88 and 628,544.94

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Solution

The fourth proportional to 1,137,872.94, 1,570,130.88 and 628,544.94 is: 867,318.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,872.94 : 1,570,130.88 = 628,544.94 : x
  2. Step 2: Convert to fraction form
    1,137,872.94/1,570,130.88 = 628,544.94/x
  3. Step 3: Cross multiply
    1,137,872.94x = 1,570,130.88 × 628,544.94
  4. Step 4: Simplify right side
    1,137,872.94x = 986,897,819,761.75
  5. Step 5: Solve for x
    x = 986,897,819,761.75/1,137,872.94
  6. Step 6: Final answer
    x = 867,318.12

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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.