Home / 1,327,545.92-1,991,100-569,509.76

Finding the Fourth Proportional to 1,327,545.92, 1,991,100 and 569,509.76

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Solution

The fourth proportional to 1,327,545.92, 1,991,100 and 569,509.76 is: 854,170.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,545.92 : 1,991,100 = 569,509.76 : x
  2. Step 2: Convert to fraction form
    1,327,545.92/1,991,100 = 569,509.76/x
  3. Step 3: Cross multiply
    1,327,545.92x = 1,991,100 × 569,509.76
  4. Step 4: Simplify right side
    1,327,545.92x = 1,133,950,883,136
  5. Step 5: Solve for x
    x = 1,133,950,883,136/1,327,545.92
  6. Step 6: Final answer
    x = 854,170.74

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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.