Home / 1,113,824.92-1,536,814.94-630,390.05

Finding the Fourth Proportional to 1,113,824.92, 1,536,814.94 and 630,390.05

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Solution

The fourth proportional to 1,113,824.92, 1,536,814.94 and 630,390.05 is: 869,789.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,824.92 : 1,536,814.94 = 630,390.05 : x
  2. Step 2: Convert to fraction form
    1,113,824.92/1,536,814.94 = 630,390.05/x
  3. Step 3: Cross multiply
    1,113,824.92x = 1,536,814.94 × 630,390.05
  4. Step 4: Simplify right side
    1,113,824.92x = 968,792,847,557.43
  5. Step 5: Solve for x
    x = 968,792,847,557.43/1,113,824.92
  6. Step 6: Final answer
    x = 869,789.17

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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.