Home / 1,681,673.11-2,522,509.63-545,385.80

Finding the Fourth Proportional to 1,681,673.11, 2,522,509.63 and 545,385.80

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Solution

The fourth proportional to 1,681,673.11, 2,522,509.63 and 545,385.80 is: 818,078.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,673.11 : 2,522,509.63 = 545,385.80 : x
  2. Step 2: Convert to fraction form
    1,681,673.11/2,522,509.63 = 545,385.80/x
  3. Step 3: Cross multiply
    1,681,673.11x = 2,522,509.63 × 545,385.80
  4. Step 4: Simplify right side
    1,681,673.11x = 1,375,740,932,565.25
  5. Step 5: Solve for x
    x = 1,375,740,932,565.25/1,681,673.11
  6. Step 6: Final answer
    x = 818,078.69

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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.