Home / 1,505,558.40-2,077,672.58-817,229.82

Finding the Fourth Proportional to 1,505,558.40, 2,077,672.58 and 817,229.82

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Solution

The fourth proportional to 1,505,558.40, 2,077,672.58 and 817,229.82 is: 1,127,778.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,558.40 : 2,077,672.58 = 817,229.82 : x
  2. Step 2: Convert to fraction form
    1,505,558.40/2,077,672.58 = 817,229.82/x
  3. Step 3: Cross multiply
    1,505,558.40x = 2,077,672.58 × 817,229.82
  4. Step 4: Simplify right side
    1,505,558.40x = 1,697,935,988,572.34
  5. Step 5: Solve for x
    x = 1,697,935,988,572.34/1,505,558.40
  6. Step 6: Final answer
    x = 1,127,778.23

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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.