Home / 764,079.08-1,054,382.82-424,535.72

Finding the Fourth Proportional to 764,079.08, 1,054,382.82 and 424,535.72

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Solution

The fourth proportional to 764,079.08, 1,054,382.82 and 424,535.72 is: 585,833.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,079.08 : 1,054,382.82 = 424,535.72 : x
  2. Step 2: Convert to fraction form
    764,079.08/1,054,382.82 = 424,535.72/x
  3. Step 3: Cross multiply
    764,079.08x = 1,054,382.82 × 424,535.72
  4. Step 4: Simplify right side
    764,079.08x = 447,623,169,644.33
  5. Step 5: Solve for x
    x = 447,623,169,644.33/764,079.08
  6. Step 6: Final answer
    x = 585,833.56

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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.