Home / 1,213,328.96-1,819,984.44-947,312

Finding the Fourth Proportional to 1,213,328.96, 1,819,984.44 and 947,312

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Solution

The fourth proportional to 1,213,328.96, 1,819,984.44 and 947,312 is: 1,420,960.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,328.96 : 1,819,984.44 = 947,312 : x
  2. Step 2: Convert to fraction form
    1,213,328.96/1,819,984.44 = 947,312/x
  3. Step 3: Cross multiply
    1,213,328.96x = 1,819,984.44 × 947,312
  4. Step 4: Simplify right side
    1,213,328.96x = 1,724,093,099,825.28
  5. Step 5: Solve for x
    x = 1,724,093,099,825.28/1,213,328.96
  6. Step 6: Final answer
    x = 1,420,960.97

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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.