Home / 616,066.09-923,146.65-480,809.48

Finding the Fourth Proportional to 616,066.09, 923,146.65 and 480,809.48

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Solution

The fourth proportional to 616,066.09, 923,146.65 and 480,809.48 is: 720,470.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,066.09 : 923,146.65 = 480,809.48 : x
  2. Step 2: Convert to fraction form
    616,066.09/923,146.65 = 480,809.48/x
  3. Step 3: Cross multiply
    616,066.09x = 923,146.65 × 480,809.48
  4. Step 4: Simplify right side
    616,066.09x = 443,857,660,750.24
  5. Step 5: Solve for x
    x = 443,857,660,750.24/616,066.09
  6. Step 6: Final answer
    x = 720,470.85

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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.