Home / 1,711,639.56-2,362,136.39-947,693.12

Finding the Fourth Proportional to 1,711,639.56, 2,362,136.39 and 947,693.12

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Solution

The fourth proportional to 1,711,639.56, 2,362,136.39 and 947,693.12 is: 1,307,857.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711,639.56 : 2,362,136.39 = 947,693.12 : x
  2. Step 2: Convert to fraction form
    1,711,639.56/2,362,136.39 = 947,693.12/x
  3. Step 3: Cross multiply
    1,711,639.56x = 2,362,136.39 × 947,693.12
  4. Step 4: Simplify right side
    1,711,639.56x = 2,238,580,388,755.49
  5. Step 5: Solve for x
    x = 2,238,580,388,755.49/1,711,639.56
  6. Step 6: Final answer
    x = 1,307,857.36

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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.