Home / 631,961.32-947,314.14-258,252.52

Finding the Fourth Proportional to 631,961.32, 947,314.14 and 258,252.52

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Solution

The fourth proportional to 631,961.32, 947,314.14 and 258,252.52 is: 387,122.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,961.32 : 947,314.14 = 258,252.52 : x
  2. Step 2: Convert to fraction form
    631,961.32/947,314.14 = 258,252.52/x
  3. Step 3: Cross multiply
    631,961.32x = 947,314.14 × 258,252.52
  4. Step 4: Simplify right side
    631,961.32x = 244,646,263,886.63
  5. Step 5: Solve for x
    x = 244,646,263,886.63/631,961.32
  6. Step 6: Final answer
    x = 387,122.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.