Home / 507,916.44-761,898.96-419,005.08

Finding the Fourth Proportional to 507,916.44, 761,898.96 and 419,005.08

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Solution

The fourth proportional to 507,916.44, 761,898.96 and 419,005.08 is: 628,527.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,916.44 : 761,898.96 = 419,005.08 : x
  2. Step 2: Convert to fraction form
    507,916.44/761,898.96 = 419,005.08/x
  3. Step 3: Cross multiply
    507,916.44x = 761,898.96 × 419,005.08
  4. Step 4: Simplify right side
    507,916.44x = 319,239,534,686.72
  5. Step 5: Solve for x
    x = 319,239,534,686.72/507,916.44
  6. Step 6: Final answer
    x = 628,527.67

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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.