Home / 2,953,878.64-4,430,424.20-823,784.38

Finding the Fourth Proportional to 2,953,878.64, 4,430,424.20 and 823,784.38

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Solution

The fourth proportional to 2,953,878.64, 4,430,424.20 and 823,784.38 is: 1,235,566.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953,878.64 : 4,430,424.20 = 823,784.38 : x
  2. Step 2: Convert to fraction form
    2,953,878.64/4,430,424.20 = 823,784.38/x
  3. Step 3: Cross multiply
    2,953,878.64x = 4,430,424.20 × 823,784.38
  4. Step 4: Simplify right side
    2,953,878.64x = 3,649,714,237,539.01
  5. Step 5: Solve for x
    x = 3,649,714,237,539.01/2,953,878.64
  6. Step 6: Final answer
    x = 1,235,566.75

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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.