Home / 460,621.64-635,641.70-256,662.02

Finding the Fourth Proportional to 460,621.64, 635,641.70 and 256,662.02

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Solution

The fourth proportional to 460,621.64, 635,641.70 and 256,662.02 is: 354,184.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,621.64 : 635,641.70 = 256,662.02 : x
  2. Step 2: Convert to fraction form
    460,621.64/635,641.70 = 256,662.02/x
  3. Step 3: Cross multiply
    460,621.64x = 635,641.70 × 256,662.02
  4. Step 4: Simplify right side
    460,621.64x = 163,145,083,024.03
  5. Step 5: Solve for x
    x = 163,145,083,024.03/460,621.64
  6. Step 6: Final answer
    x = 354,184.58

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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.