Home / 825,632.16-1,138,888.50-519,222.53

Finding the Fourth Proportional to 825,632.16, 1,138,888.50 and 519,222.53

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Solution

The fourth proportional to 825,632.16, 1,138,888.50 and 519,222.53 is: 716,222.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,632.16 : 1,138,888.50 = 519,222.53 : x
  2. Step 2: Convert to fraction form
    825,632.16/1,138,888.50 = 519,222.53/x
  3. Step 3: Cross multiply
    825,632.16x = 1,138,888.50 × 519,222.53
  4. Step 4: Simplify right side
    825,632.16x = 591,336,568,357.91
  5. Step 5: Solve for x
    x = 591,336,568,357.91/825,632.16
  6. Step 6: Final answer
    x = 716,222.79

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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.