Home / 626,076.22-863,979.06-339,592.18

Finding the Fourth Proportional to 626,076.22, 863,979.06 and 339,592.18

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Solution

The fourth proportional to 626,076.22, 863,979.06 and 339,592.18 is: 468,633.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,076.22 : 863,979.06 = 339,592.18 : x
  2. Step 2: Convert to fraction form
    626,076.22/863,979.06 = 339,592.18/x
  3. Step 3: Cross multiply
    626,076.22x = 863,979.06 × 339,592.18
  4. Step 4: Simplify right side
    626,076.22x = 293,400,532,459.75
  5. Step 5: Solve for x
    x = 293,400,532,459.75/626,076.22
  6. Step 6: Final answer
    x = 468,633.89

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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.