Home / 657,857.12-982,025.44-578,143.04

Finding the Fourth Proportional to 657,857.12, 982,025.44 and 578,143.04

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Solution

The fourth proportional to 657,857.12, 982,025.44 and 578,143.04 is: 863,031.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,857.12 : 982,025.44 = 578,143.04 : x
  2. Step 2: Convert to fraction form
    657,857.12/982,025.44 = 578,143.04/x
  3. Step 3: Cross multiply
    657,857.12x = 982,025.44 × 578,143.04
  4. Step 4: Simplify right side
    657,857.12x = 567,751,173,238.94
  5. Step 5: Solve for x
    x = 567,751,173,238.94/657,857.12
  6. Step 6: Final answer
    x = 863,031.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.