Home / 1,421,096.54-1,961,250.37-776,614.37

Finding the Fourth Proportional to 1,421,096.54, 1,961,250.37 and 776,614.37

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Solution

The fourth proportional to 1,421,096.54, 1,961,250.37 and 776,614.37 is: 1,071,802.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,096.54 : 1,961,250.37 = 776,614.37 : x
  2. Step 2: Convert to fraction form
    1,421,096.54/1,961,250.37 = 776,614.37/x
  3. Step 3: Cross multiply
    1,421,096.54x = 1,961,250.37 × 776,614.37
  4. Step 4: Simplify right side
    1,421,096.54x = 1,523,135,208,762.03
  5. Step 5: Solve for x
    x = 1,523,135,208,762.03/1,421,096.54
  6. Step 6: Final answer
    x = 1,071,802.77

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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.