Home / 679,025.06-936,703.20-461,244.96

Finding the Fourth Proportional to 679,025.06, 936,703.20 and 461,244.96

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Solution

The fourth proportional to 679,025.06, 936,703.20 and 461,244.96 is: 636,279.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,025.06 : 936,703.20 = 461,244.96 : x
  2. Step 2: Convert to fraction form
    679,025.06/936,703.20 = 461,244.96/x
  3. Step 3: Cross multiply
    679,025.06x = 936,703.20 × 461,244.96
  4. Step 4: Simplify right side
    679,025.06x = 432,049,630,015.87
  5. Step 5: Solve for x
    x = 432,049,630,015.87/679,025.06
  6. Step 6: Final answer
    x = 636,279.36

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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.