Home / 646,890.60-968,003.10-436,938.60

Finding the Fourth Proportional to 646,890.60, 968,003.10 and 436,938.60

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Solution

The fourth proportional to 646,890.60, 968,003.10 and 436,938.60 is: 653,832.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,890.60 : 968,003.10 = 436,938.60 : x
  2. Step 2: Convert to fraction form
    646,890.60/968,003.10 = 436,938.60/x
  3. Step 3: Cross multiply
    646,890.60x = 968,003.10 × 436,938.60
  4. Step 4: Simplify right side
    646,890.60x = 422,957,919,309.66
  5. Step 5: Solve for x
    x = 422,957,919,309.66/646,890.60
  6. Step 6: Final answer
    x = 653,832.22

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1.5x scale

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.