Home / 507,856.02-761,545.26-187,786.74

Finding the Fourth Proportional to 507,856.02, 761,545.26 and 187,786.74

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Solution

The fourth proportional to 507,856.02, 761,545.26 and 187,786.74 is: 281,591.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,856.02 : 761,545.26 = 187,786.74 : x
  2. Step 2: Convert to fraction form
    507,856.02/761,545.26 = 187,786.74/x
  3. Step 3: Cross multiply
    507,856.02x = 761,545.26 × 187,786.74
  4. Step 4: Simplify right side
    507,856.02x = 143,008,101,737.85
  5. Step 5: Solve for x
    x = 143,008,101,737.85/507,856.02
  6. Step 6: Final answer
    x = 281,591.82

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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.