Home / 639,739.01-882,840.35-410,295.59

Finding the Fourth Proportional to 639,739.01, 882,840.35 and 410,295.59

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Solution

The fourth proportional to 639,739.01, 882,840.35 and 410,295.59 is: 566,208.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,739.01 : 882,840.35 = 410,295.59 : x
  2. Step 2: Convert to fraction form
    639,739.01/882,840.35 = 410,295.59/x
  3. Step 3: Cross multiply
    639,739.01x = 882,840.35 × 410,295.59
  4. Step 4: Simplify right side
    639,739.01x = 362,225,497,351.99
  5. Step 5: Solve for x
    x = 362,225,497,351.99/639,739.01
  6. Step 6: Final answer
    x = 566,208.24

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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.