Home / 460,352.21-635,284.08-256,405.55

Finding the Fourth Proportional to 460,352.21, 635,284.08 and 256,405.55

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Solution

The fourth proportional to 460,352.21, 635,284.08 and 256,405.55 is: 353,838.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,352.21 : 635,284.08 = 256,405.55 : x
  2. Step 2: Convert to fraction form
    460,352.21/635,284.08 = 256,405.55/x
  3. Step 3: Cross multiply
    460,352.21x = 635,284.08 × 256,405.55
  4. Step 4: Simplify right side
    460,352.21x = 162,890,363,938.64
  5. Step 5: Solve for x
    x = 162,890,363,938.64/460,352.21
  6. Step 6: Final answer
    x = 353,838.56

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1.5x scale

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.