Home / 989,916.54-1,484,825.55-541,513.23

Finding the Fourth Proportional to 989,916.54, 1,484,825.55 and 541,513.23

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Solution

The fourth proportional to 989,916.54, 1,484,825.55 and 541,513.23 is: 812,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,916.54 : 1,484,825.55 = 541,513.23 : x
  2. Step 2: Convert to fraction form
    989,916.54/1,484,825.55 = 541,513.23/x
  3. Step 3: Cross multiply
    989,916.54x = 1,484,825.55 × 541,513.23
  4. Step 4: Simplify right side
    989,916.54x = 804,052,679,567.03
  5. Step 5: Solve for x
    x = 804,052,679,567.03/989,916.54
  6. Step 6: Final answer
    x = 812,242.90

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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.