Home / 835,949.65-1,253,756.84-409,301.65

Finding the Fourth Proportional to 835,949.65, 1,253,756.84 and 409,301.65

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Solution

The fourth proportional to 835,949.65, 1,253,756.84 and 409,301.65 is: 613,870.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,949.65 : 1,253,756.84 = 409,301.65 : x
  2. Step 2: Convert to fraction form
    835,949.65/1,253,756.84 = 409,301.65/x
  3. Step 3: Cross multiply
    835,949.65x = 1,253,756.84 × 409,301.65
  4. Step 4: Simplify right side
    835,949.65x = 513,164,741,264.28
  5. Step 5: Solve for x
    x = 513,164,741,264.28/835,949.65
  6. Step 6: Final answer
    x = 613,870.39

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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.