Home / 936,899.50-1,405,388.13-272,051.50

Finding the Fourth Proportional to 936,899.50, 1,405,388.13 and 272,051.50

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Solution

The fourth proportional to 936,899.50, 1,405,388.13 and 272,051.50 is: 408,088.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,899.50 : 1,405,388.13 = 272,051.50 : x
  2. Step 2: Convert to fraction form
    936,899.50/1,405,388.13 = 272,051.50/x
  3. Step 3: Cross multiply
    936,899.50x = 1,405,388.13 × 272,051.50
  4. Step 4: Simplify right side
    936,899.50x = 382,337,948,848.70
  5. Step 5: Solve for x
    x = 382,337,948,848.70/936,899.50
  6. Step 6: Final answer
    x = 408,088.54

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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.