Home / 941,755.30-1,299,615.78-512,035.60

Finding the Fourth Proportional to 941,755.30, 1,299,615.78 and 512,035.60

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Solution

The fourth proportional to 941,755.30, 1,299,615.78 and 512,035.60 is: 706,605.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,755.30 : 1,299,615.78 = 512,035.60 : x
  2. Step 2: Convert to fraction form
    941,755.30/1,299,615.78 = 512,035.60/x
  3. Step 3: Cross multiply
    941,755.30x = 1,299,615.78 × 512,035.60
  4. Step 4: Simplify right side
    941,755.30x = 665,449,545,681.77
  5. Step 5: Solve for x
    x = 665,449,545,681.77/941,755.30
  6. Step 6: Final answer
    x = 706,605.58

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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.