Home / 639,253.74-882,191.33-348,881.16

Finding the Fourth Proportional to 639,253.74, 882,191.33 and 348,881.16

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Solution

The fourth proportional to 639,253.74, 882,191.33 and 348,881.16 is: 481,467.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,253.74 : 882,191.33 = 348,881.16 : x
  2. Step 2: Convert to fraction form
    639,253.74/882,191.33 = 348,881.16/x
  3. Step 3: Cross multiply
    639,253.74x = 882,191.33 × 348,881.16
  4. Step 4: Simplify right side
    639,253.74x = 307,779,928,396.98
  5. Step 5: Solve for x
    x = 307,779,928,396.98/639,253.74
  6. Step 6: Final answer
    x = 481,467.55

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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.