Home / 464,419.41-640,639.20-292,273.14

Finding the Fourth Proportional to 464,419.41, 640,639.20 and 292,273.14

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Solution

The fourth proportional to 464,419.41, 640,639.20 and 292,273.14 is: 403,173.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,419.41 : 640,639.20 = 292,273.14 : x
  2. Step 2: Convert to fraction form
    464,419.41/640,639.20 = 292,273.14/x
  3. Step 3: Cross multiply
    464,419.41x = 640,639.20 × 292,273.14
  4. Step 4: Simplify right side
    464,419.41x = 187,241,630,591.09
  5. Step 5: Solve for x
    x = 187,241,630,591.09/464,419.41
  6. Step 6: Final answer
    x = 403,173.57

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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.