Home / 634,466.12-949,475.32-454,749.69

Finding the Fourth Proportional to 634,466.12, 949,475.32 and 454,749.69

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Solution

The fourth proportional to 634,466.12, 949,475.32 and 454,749.69 is: 680,530.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,466.12 : 949,475.32 = 454,749.69 : x
  2. Step 2: Convert to fraction form
    634,466.12/949,475.32 = 454,749.69/x
  3. Step 3: Cross multiply
    634,466.12x = 949,475.32 × 454,749.69
  4. Step 4: Simplify right side
    634,466.12x = 431,773,609,856.31
  5. Step 5: Solve for x
    x = 431,773,609,856.31/634,466.12
  6. Step 6: Final answer
    x = 680,530.61

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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.