Home / 883,745.29-1,324,382.50-478,061.80

Finding the Fourth Proportional to 883,745.29, 1,324,382.50 and 478,061.80

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Solution

The fourth proportional to 883,745.29, 1,324,382.50 and 478,061.80 is: 716,424.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,745.29 : 1,324,382.50 = 478,061.80 : x
  2. Step 2: Convert to fraction form
    883,745.29/1,324,382.50 = 478,061.80/x
  3. Step 3: Cross multiply
    883,745.29x = 1,324,382.50 × 478,061.80
  4. Step 4: Simplify right side
    883,745.29x = 633,136,679,125.12
  5. Step 5: Solve for x
    x = 633,136,679,125.12/883,745.29
  6. Step 6: Final answer
    x = 716,424.39

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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.