Home / 857,932.05-1,183,454.31-535,081.65

Finding the Fourth Proportional to 857,932.05, 1,183,454.31 and 535,081.65

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Solution

The fourth proportional to 857,932.05, 1,183,454.31 and 535,081.65 is: 738,105.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,932.05 : 1,183,454.31 = 535,081.65 : x
  2. Step 2: Convert to fraction form
    857,932.05/1,183,454.31 = 535,081.65/x
  3. Step 3: Cross multiply
    857,932.05x = 1,183,454.31 × 535,081.65
  4. Step 4: Simplify right side
    857,932.05x = 633,244,684,894.41
  5. Step 5: Solve for x
    x = 633,244,684,894.41/857,932.05
  6. Step 6: Final answer
    x = 738,105.87

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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.