Home / 639,261.83-882,513.01-466,986.35

Finding the Fourth Proportional to 639,261.83, 882,513.01 and 466,986.35

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Solution

The fourth proportional to 639,261.83, 882,513.01 and 466,986.35 is: 644,683.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,261.83 : 882,513.01 = 466,986.35 : x
  2. Step 2: Convert to fraction form
    639,261.83/882,513.01 = 466,986.35/x
  3. Step 3: Cross multiply
    639,261.83x = 882,513.01 × 466,986.35
  4. Step 4: Simplify right side
    639,261.83x = 412,121,532,157.43
  5. Step 5: Solve for x
    x = 412,121,532,157.43/639,261.83
  6. Step 6: Final answer
    x = 644,683.46

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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.