Home / 464,467.24-640,970.04-257,739.22

Finding the Fourth Proportional to 464,467.24, 640,970.04 and 257,739.22

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Solution

The fourth proportional to 464,467.24, 640,970.04 and 257,739.22 is: 355,683.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,467.24 : 640,970.04 = 257,739.22 : x
  2. Step 2: Convert to fraction form
    464,467.24/640,970.04 = 257,739.22/x
  3. Step 3: Cross multiply
    464,467.24x = 640,970.04 × 257,739.22
  4. Step 4: Simplify right side
    464,467.24x = 165,203,118,152.97
  5. Step 5: Solve for x
    x = 165,203,118,152.97/464,467.24
  6. Step 6: Final answer
    x = 355,683.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.