Home / 876,111.21-1,314,158.03-277,072.47

Finding the Fourth Proportional to 876,111.21, 1,314,158.03 and 277,072.47

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Solution

The fourth proportional to 876,111.21, 1,314,158.03 and 277,072.47 is: 415,605.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,111.21 : 1,314,158.03 = 277,072.47 : x
  2. Step 2: Convert to fraction form
    876,111.21/1,314,158.03 = 277,072.47/x
  3. Step 3: Cross multiply
    876,111.21x = 1,314,158.03 × 277,072.47
  4. Step 4: Simplify right side
    876,111.21x = 364,117,009,957.07
  5. Step 5: Solve for x
    x = 364,117,009,957.07/876,111.21
  6. Step 6: Final answer
    x = 415,605.93

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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.