Home / 621,182.67-931,746.89-194,708.76

Finding the Fourth Proportional to 621,182.67, 931,746.89 and 194,708.76

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Solution

The fourth proportional to 621,182.67, 931,746.89 and 194,708.76 is: 292,054.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,182.67 : 931,746.89 = 194,708.76 : x
  2. Step 2: Convert to fraction form
    621,182.67/931,746.89 = 194,708.76/x
  3. Step 3: Cross multiply
    621,182.67x = 931,746.89 × 194,708.76
  4. Step 4: Simplify right side
    621,182.67x = 181,419,280,612.21
  5. Step 5: Solve for x
    x = 181,419,280,612.21/621,182.67
  6. Step 6: Final answer
    x = 292,054.64

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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.