Home / 849,035.62-1,171,836.48-486,702.58

Finding the Fourth Proportional to 849,035.62, 1,171,836.48 and 486,702.58

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Solution

The fourth proportional to 849,035.62, 1,171,836.48 and 486,702.58 is: 671,745.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,035.62 : 1,171,836.48 = 486,702.58 : x
  2. Step 2: Convert to fraction form
    849,035.62/1,171,836.48 = 486,702.58/x
  3. Step 3: Cross multiply
    849,035.62x = 1,171,836.48 × 486,702.58
  4. Step 4: Simplify right side
    849,035.62x = 570,335,838,154.12
  5. Step 5: Solve for x
    x = 570,335,838,154.12/849,035.62
  6. Step 6: Final answer
    x = 671,745.48

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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.