Home / 3,493,316.25-5,239,974.38-968,971.50

Finding the Fourth Proportional to 3,493,316.25, 5,239,974.38 and 968,971.50

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Solution

The fourth proportional to 3,493,316.25, 5,239,974.38 and 968,971.50 is: 1,453,457.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493,316.25 : 5,239,974.38 = 968,971.50 : x
  2. Step 2: Convert to fraction form
    3,493,316.25/5,239,974.38 = 968,971.50/x
  3. Step 3: Cross multiply
    3,493,316.25x = 5,239,974.38 × 968,971.50
  4. Step 4: Simplify right side
    3,493,316.25x = 5,077,385,830,105.31
  5. Step 5: Solve for x
    x = 5,077,385,830,105.31/3,493,316.25
  6. Step 6: Final answer
    x = 1,453,457.25

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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.