Home / 657,721.17-986,644.47-184,405.16

Finding the Fourth Proportional to 657,721.17, 986,644.47 and 184,405.16

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Solution

The fourth proportional to 657,721.17, 986,644.47 and 184,405.16 is: 276,625.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,721.17 : 986,644.47 = 184,405.16 : x
  2. Step 2: Convert to fraction form
    657,721.17/986,644.47 = 184,405.16/x
  3. Step 3: Cross multiply
    657,721.17x = 986,644.47 × 184,405.16
  4. Step 4: Simplify right side
    657,721.17x = 181,942,326,420.24
  5. Step 5: Solve for x
    x = 181,942,326,420.24/657,721.17
  6. Step 6: Final answer
    x = 276,625.32

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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.