Home / 639,248.76-882,184.48-348,876.22

Finding the Fourth Proportional to 639,248.76, 882,184.48 and 348,876.22

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Solution

The fourth proportional to 639,248.76, 882,184.48 and 348,876.22 is: 481,460.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,248.76 : 882,184.48 = 348,876.22 : x
  2. Step 2: Convert to fraction form
    639,248.76/882,184.48 = 348,876.22/x
  3. Step 3: Cross multiply
    639,248.76x = 882,184.48 × 348,876.22
  4. Step 4: Simplify right side
    639,248.76x = 307,773,183,647.41
  5. Step 5: Solve for x
    x = 307,773,183,647.41/639,248.76
  6. Step 6: Final answer
    x = 481,460.74

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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.