Home / 577,081.47-865,666.89-192,831.65

Finding the Fourth Proportional to 577,081.47, 865,666.89 and 192,831.65

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Solution

The fourth proportional to 577,081.47, 865,666.89 and 192,831.65 is: 289,262.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,081.47 : 865,666.89 = 192,831.65 : x
  2. Step 2: Convert to fraction form
    577,081.47/865,666.89 = 192,831.65/x
  3. Step 3: Cross multiply
    577,081.47x = 865,666.89 × 192,831.65
  4. Step 4: Simplify right side
    577,081.47x = 166,927,975,559.33
  5. Step 5: Solve for x
    x = 166,927,975,559.33/577,081.47
  6. Step 6: Final answer
    x = 289,262.41

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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.