Home / 825,632.29-1,138,888.67-519,222.65

Finding the Fourth Proportional to 825,632.29, 1,138,888.67 and 519,222.65

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Solution

The fourth proportional to 825,632.29, 1,138,888.67 and 519,222.65 is: 716,222.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,632.29 : 1,138,888.67 = 519,222.65 : x
  2. Step 2: Convert to fraction form
    825,632.29/1,138,888.67 = 519,222.65/x
  3. Step 3: Cross multiply
    825,632.29x = 1,138,888.67 × 519,222.65
  4. Step 4: Simplify right side
    825,632.29x = 591,336,797,437.65
  5. Step 5: Solve for x
    x = 591,336,797,437.65/825,632.29
  6. Step 6: Final answer
    x = 716,222.96

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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.