Home / 857,123.89-1,285,696.77-590,812.90

Finding the Fourth Proportional to 857,123.89, 1,285,696.77 and 590,812.90

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Solution

The fourth proportional to 857,123.89, 1,285,696.77 and 590,812.90 is: 886,226.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,123.89 : 1,285,696.77 = 590,812.90 : x
  2. Step 2: Convert to fraction form
    857,123.89/1,285,696.77 = 590,812.90/x
  3. Step 3: Cross multiply
    857,123.89x = 1,285,696.77 × 590,812.90
  4. Step 4: Simplify right side
    857,123.89x = 759,606,231,774.54
  5. Step 5: Solve for x
    x = 759,606,231,774.54/857,123.89
  6. Step 6: Final answer
    x = 886,226.88

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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.