Home / 940,824.72-1,298,544.73-618,564.80

Finding the Fourth Proportional to 940,824.72, 1,298,544.73 and 618,564.80

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Solution

The fourth proportional to 940,824.72, 1,298,544.73 and 618,564.80 is: 853,755.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,824.72 : 1,298,544.73 = 618,564.80 : x
  2. Step 2: Convert to fraction form
    940,824.72/1,298,544.73 = 618,564.80/x
  3. Step 3: Cross multiply
    940,824.72x = 1,298,544.73 × 618,564.80
  4. Step 4: Simplify right side
    940,824.72x = 803,234,061,203.50
  5. Step 5: Solve for x
    x = 803,234,061,203.50/940,824.72
  6. Step 6: Final answer
    x = 853,755.27

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1.5x scale

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.