Home / 1,243,157.37-1,864,551.51-344,505.41

Finding the Fourth Proportional to 1,243,157.37, 1,864,551.51 and 344,505.41

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Solution

The fourth proportional to 1,243,157.37, 1,864,551.51 and 344,505.41 is: 516,706.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,157.37 : 1,864,551.51 = 344,505.41 : x
  2. Step 2: Convert to fraction form
    1,243,157.37/1,864,551.51 = 344,505.41/x
  3. Step 3: Cross multiply
    1,243,157.37x = 1,864,551.51 × 344,505.41
  4. Step 4: Simplify right side
    1,243,157.37x = 642,348,073,095.91
  5. Step 5: Solve for x
    x = 642,348,073,095.91/1,243,157.37
  6. Step 6: Final answer
    x = 516,706.97

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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.