Home / 1,137,951.06-1,570,404.15-628,686.24

Finding the Fourth Proportional to 1,137,951.06, 1,570,404.15 and 628,686.24

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Solution

The fourth proportional to 1,137,951.06, 1,570,404.15 and 628,686.24 is: 867,604.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,951.06 : 1,570,404.15 = 628,686.24 : x
  2. Step 2: Convert to fraction form
    1,137,951.06/1,570,404.15 = 628,686.24/x
  3. Step 3: Cross multiply
    1,137,951.06x = 1,570,404.15 × 628,686.24
  4. Step 4: Simplify right side
    1,137,951.06x = 987,291,480,343.90
  5. Step 5: Solve for x
    x = 987,291,480,343.90/1,137,951.06
  6. Step 6: Final answer
    x = 867,604.52

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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.