Home / 857,891.02-1,183,886-475,917.80

Finding the Fourth Proportional to 857,891.02, 1,183,886 and 475,917.80

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Solution

The fourth proportional to 857,891.02, 1,183,886 and 475,917.80 is: 656,764.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,891.02 : 1,183,886 = 475,917.80 : x
  2. Step 2: Convert to fraction form
    857,891.02/1,183,886 = 475,917.80/x
  3. Step 3: Cross multiply
    857,891.02x = 1,183,886 × 475,917.80
  4. Step 4: Simplify right side
    857,891.02x = 563,432,420,570.80
  5. Step 5: Solve for x
    x = 563,432,420,570.80/857,891.02
  6. Step 6: Final answer
    x = 656,764.56

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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.