Home / 1,224,886.73-1,690,299.51-673,597.80

Finding the Fourth Proportional to 1,224,886.73, 1,690,299.51 and 673,597.80

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Solution

The fourth proportional to 1,224,886.73, 1,690,299.51 and 673,597.80 is: 929,540.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,886.73 : 1,690,299.51 = 673,597.80 : x
  2. Step 2: Convert to fraction form
    1,224,886.73/1,690,299.51 = 673,597.80/x
  3. Step 3: Cross multiply
    1,224,886.73x = 1,690,299.51 × 673,597.80
  4. Step 4: Simplify right side
    1,224,886.73x = 1,138,582,019,457.59
  5. Step 5: Solve for x
    x = 1,138,582,019,457.59/1,224,886.73
  6. Step 6: Final answer
    x = 929,540.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.