Home / 1,022,041.52-1,408,905.06-654,479.72

Finding the Fourth Proportional to 1,022,041.52, 1,408,905.06 and 654,479.72

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Solution

The fourth proportional to 1,022,041.52, 1,408,905.06 and 654,479.72 is: 902,213.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,041.52 : 1,408,905.06 = 654,479.72 : x
  2. Step 2: Convert to fraction form
    1,022,041.52/1,408,905.06 = 654,479.72/x
  3. Step 3: Cross multiply
    1,022,041.52x = 1,408,905.06 × 654,479.72
  4. Step 4: Simplify right side
    1,022,041.52x = 922,099,789,175.38
  5. Step 5: Solve for x
    x = 922,099,789,175.38/1,022,041.52
  6. Step 6: Final answer
    x = 902,213.63

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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.