Home / 621,261.31-931,892.91-188,982.58

Finding the Fourth Proportional to 621,261.31, 931,892.91 and 188,982.58

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Solution

The fourth proportional to 621,261.31, 931,892.91 and 188,982.58 is: 283,474.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,261.31 : 931,892.91 = 188,982.58 : x
  2. Step 2: Convert to fraction form
    621,261.31/931,892.91 = 188,982.58/x
  3. Step 3: Cross multiply
    621,261.31x = 931,892.91 × 188,982.58
  4. Step 4: Simplify right side
    621,261.31x = 176,111,526,415.51
  5. Step 5: Solve for x
    x = 176,111,526,415.51/621,261.31
  6. Step 6: Final answer
    x = 283,474.16

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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.