Home / 639,263.57-882,188.55-348,877.36

Finding the Fourth Proportional to 639,263.57, 882,188.55 and 348,877.36

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Solution

The fourth proportional to 639,263.57, 882,188.55 and 348,877.36 is: 481,453.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,263.57 : 882,188.55 = 348,877.36 : x
  2. Step 2: Convert to fraction form
    639,263.57/882,188.55 = 348,877.36/x
  3. Step 3: Cross multiply
    639,263.57x = 882,188.55 × 348,877.36
  4. Step 4: Simplify right side
    639,263.57x = 307,775,612,346.23
  5. Step 5: Solve for x
    x = 307,775,612,346.23/639,263.57
  6. Step 6: Final answer
    x = 481,453.39

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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.