Home / 1,664,078.58-2,496,314.67-542,147.58

Finding the Fourth Proportional to 1,664,078.58, 2,496,314.67 and 542,147.58

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Solution

The fourth proportional to 1,664,078.58, 2,496,314.67 and 542,147.58 is: 813,285.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,078.58 : 2,496,314.67 = 542,147.58 : x
  2. Step 2: Convert to fraction form
    1,664,078.58/2,496,314.67 = 542,147.58/x
  3. Step 3: Cross multiply
    1,664,078.58x = 2,496,314.67 × 542,147.58
  4. Step 4: Simplify right side
    1,664,078.58x = 1,353,370,957,259.00
  5. Step 5: Solve for x
    x = 1,353,370,957,259.00/1,664,078.58
  6. Step 6: Final answer
    x = 813,285.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.