Home / 2,953,287.79-4,430,181.57-823,373.80

Finding the Fourth Proportional to 2,953,287.79, 4,430,181.57 and 823,373.80

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Solution

The fourth proportional to 2,953,287.79, 4,430,181.57 and 823,373.80 is: 1,235,130.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953,287.79 : 4,430,181.57 = 823,373.80 : x
  2. Step 2: Convert to fraction form
    2,953,287.79/4,430,181.57 = 823,373.80/x
  3. Step 3: Cross multiply
    2,953,287.79x = 4,430,181.57 × 823,373.80
  4. Step 4: Simplify right side
    2,953,287.79x = 3,647,695,433,980.87
  5. Step 5: Solve for x
    x = 3,647,695,433,980.87/2,953,287.79
  6. Step 6: Final answer
    x = 1,235,130.37

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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.