Home / 1,137,951.56-1,570,404.84-628,686.74

Finding the Fourth Proportional to 1,137,951.56, 1,570,404.84 and 628,686.74

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Solution

The fourth proportional to 1,137,951.56, 1,570,404.84 and 628,686.74 is: 867,605.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,951.56 : 1,570,404.84 = 628,686.74 : x
  2. Step 2: Convert to fraction form
    1,137,951.56/1,570,404.84 = 628,686.74/x
  3. Step 3: Cross multiply
    1,137,951.56x = 1,570,404.84 × 628,686.74
  4. Step 4: Simplify right side
    1,137,951.56x = 987,292,699,339.82
  5. Step 5: Solve for x
    x = 987,292,699,339.82/1,137,951.56
  6. Step 6: Final answer
    x = 867,605.21

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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.