Home / 641,341.96-884,911.46-383,180.17

Finding the Fourth Proportional to 641,341.96, 884,911.46 and 383,180.17

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Solution

The fourth proportional to 641,341.96, 884,911.46 and 383,180.17 is: 528,704.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,341.96 : 884,911.46 = 383,180.17 : x
  2. Step 2: Convert to fraction form
    641,341.96/884,911.46 = 383,180.17/x
  3. Step 3: Cross multiply
    641,341.96x = 884,911.46 × 383,180.17
  4. Step 4: Simplify right side
    641,341.96x = 339,080,522,286.47
  5. Step 5: Solve for x
    x = 339,080,522,286.47/641,341.96
  6. Step 6: Final answer
    x = 528,704.72

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Double scale
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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.