Home / 1,243,168.61-1,864,568.16-344,516.64

Finding the Fourth Proportional to 1,243,168.61, 1,864,568.16 and 344,516.64

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Solution

The fourth proportional to 1,243,168.61, 1,864,568.16 and 344,516.64 is: 516,723.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,168.61 : 1,864,568.16 = 344,516.64 : x
  2. Step 2: Convert to fraction form
    1,243,168.61/1,864,568.16 = 344,516.64/x
  3. Step 3: Cross multiply
    1,243,168.61x = 1,864,568.16 × 344,516.64
  4. Step 4: Simplify right side
    1,243,168.61x = 642,374,761,030.25
  5. Step 5: Solve for x
    x = 642,374,761,030.25/1,243,168.61
  6. Step 6: Final answer
    x = 516,723.76

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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.