Home / 669,218.15-923,423.56-382,682.88

Finding the Fourth Proportional to 669,218.15, 923,423.56 and 382,682.88

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Solution

The fourth proportional to 669,218.15, 923,423.56 and 382,682.88 is: 528,046.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,218.15 : 923,423.56 = 382,682.88 : x
  2. Step 2: Convert to fraction form
    669,218.15/923,423.56 = 382,682.88/x
  3. Step 3: Cross multiply
    669,218.15x = 923,423.56 × 382,682.88
  4. Step 4: Simplify right side
    669,218.15x = 353,378,386,443.95
  5. Step 5: Solve for x
    x = 353,378,386,443.95/669,218.15
  6. Step 6: Final answer
    x = 528,046.62

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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.