Home / 657,454.82-986,210.36-258,181.98

Finding the Fourth Proportional to 657,454.82, 986,210.36 and 258,181.98

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Solution

The fourth proportional to 657,454.82, 986,210.36 and 258,181.98 is: 387,284.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,454.82 : 986,210.36 = 258,181.98 : x
  2. Step 2: Convert to fraction form
    657,454.82/986,210.36 = 258,181.98/x
  3. Step 3: Cross multiply
    657,454.82x = 986,210.36 × 258,181.98
  4. Step 4: Simplify right side
    657,454.82x = 254,621,741,621.24
  5. Step 5: Solve for x
    x = 254,621,741,621.24/657,454.82
  6. Step 6: Final answer
    x = 387,284.01

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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.