Home / 2,953,975.30-4,430,898.15-823,999.30

Finding the Fourth Proportional to 2,953,975.30, 4,430,898.15 and 823,999.30

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Solution

The fourth proportional to 2,953,975.30, 4,430,898.15 and 823,999.30 is: 1,235,980.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953,975.30 : 4,430,898.15 = 823,999.30 : x
  2. Step 2: Convert to fraction form
    2,953,975.30/4,430,898.15 = 823,999.30/x
  3. Step 3: Cross multiply
    2,953,975.30x = 4,430,898.15 × 823,999.30
  4. Step 4: Simplify right side
    2,953,975.30x = 3,651,056,973,971.30
  5. Step 5: Solve for x
    x = 3,651,056,973,971.30/2,953,975.30
  6. Step 6: Final answer
    x = 1,235,980.87

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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.