Home / 1,671,873.43-2,507,019.71-647,683.41

Finding the Fourth Proportional to 1,671,873.43, 2,507,019.71 and 647,683.41

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Solution

The fourth proportional to 1,671,873.43, 2,507,019.71 and 647,683.41 is: 971,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,873.43 : 2,507,019.71 = 647,683.41 : x
  2. Step 2: Convert to fraction form
    1,671,873.43/2,507,019.71 = 647,683.41/x
  3. Step 3: Cross multiply
    1,671,873.43x = 2,507,019.71 × 647,683.41
  4. Step 4: Simplify right side
    1,671,873.43x = 1,623,755,070,414.15
  5. Step 5: Solve for x
    x = 1,623,755,070,414.15/1,671,873.43
  6. Step 6: Final answer
    x = 971,218.90

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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.