Home / 370,916.31-511,886.10-207,571.44

Finding the Fourth Proportional to 370,916.31, 511,886.10 and 207,571.44

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Solution

The fourth proportional to 370,916.31, 511,886.10 and 207,571.44 is: 286,460.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,916.31 : 511,886.10 = 207,571.44 : x
  2. Step 2: Convert to fraction form
    370,916.31/511,886.10 = 207,571.44/x
  3. Step 3: Cross multiply
    370,916.31x = 511,886.10 × 207,571.44
  4. Step 4: Simplify right side
    370,916.31x = 106,252,934,892.98
  5. Step 5: Solve for x
    x = 106,252,934,892.98/370,916.31
  6. Step 6: Final answer
    x = 286,460.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.