Home / 1,137,877.44-1,570,137.12-628,549.44

Finding the Fourth Proportional to 1,137,877.44, 1,570,137.12 and 628,549.44

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Solution

The fourth proportional to 1,137,877.44, 1,570,137.12 and 628,549.44 is: 867,324.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,877.44 : 1,570,137.12 = 628,549.44 : x
  2. Step 2: Convert to fraction form
    1,137,877.44/1,570,137.12 = 628,549.44/x
  3. Step 3: Cross multiply
    1,137,877.44x = 1,570,137.12 × 628,549.44
  4. Step 4: Simplify right side
    1,137,877.44x = 986,908,807,499.21
  5. Step 5: Solve for x
    x = 986,908,807,499.21/1,137,877.44
  6. Step 6: Final answer
    x = 867,324.35

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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.