Home / 804,579-1,206,868.50-205,541.48

Finding the Fourth Proportional to 804,579, 1,206,868.50 and 205,541.48

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Solution

The fourth proportional to 804,579, 1,206,868.50 and 205,541.48 is: 308,312.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,579 : 1,206,868.50 = 205,541.48 : x
  2. Step 2: Convert to fraction form
    804,579/1,206,868.50 = 205,541.48/x
  3. Step 3: Cross multiply
    804,579x = 1,206,868.50 × 205,541.48
  4. Step 4: Simplify right side
    804,579x = 248,061,537,655.38
  5. Step 5: Solve for x
    x = 248,061,537,655.38/804,579
  6. Step 6: Final answer
    x = 308,312.22

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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.