Home / 857,760.20-1,183,851.02-475,910

Finding the Fourth Proportional to 857,760.20, 1,183,851.02 and 475,910

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Solution

The fourth proportional to 857,760.20, 1,183,851.02 and 475,910 is: 656,834.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,760.20 : 1,183,851.02 = 475,910 : x
  2. Step 2: Convert to fraction form
    857,760.20/1,183,851.02 = 475,910/x
  3. Step 3: Cross multiply
    857,760.20x = 1,183,851.02 × 475,910
  4. Step 4: Simplify right side
    857,760.20x = 563,406,538,928.20
  5. Step 5: Solve for x
    x = 563,406,538,928.20/857,760.20
  6. Step 6: Final answer
    x = 656,834.55

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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.