Home / 1,186,224.27-1,778,968.39-427,967.16

Finding the Fourth Proportional to 1,186,224.27, 1,778,968.39 and 427,967.16

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Solution

The fourth proportional to 1,186,224.27, 1,778,968.39 and 427,967.16 is: 641,817.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,224.27 : 1,778,968.39 = 427,967.16 : x
  2. Step 2: Convert to fraction form
    1,186,224.27/1,778,968.39 = 427,967.16/x
  3. Step 3: Cross multiply
    1,186,224.27x = 1,778,968.39 × 427,967.16
  4. Step 4: Simplify right side
    1,186,224.27x = 761,340,051,905.66
  5. Step 5: Solve for x
    x = 761,340,051,905.66/1,186,224.27
  6. Step 6: Final answer
    x = 641,817.97

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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.