Home / 953,616.54-1,430,435.90-279,711.23

Finding the Fourth Proportional to 953,616.54, 1,430,435.90 and 279,711.23

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Solution

The fourth proportional to 953,616.54, 1,430,435.90 and 279,711.23 is: 419,570.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,616.54 : 1,430,435.90 = 279,711.23 : x
  2. Step 2: Convert to fraction form
    953,616.54/1,430,435.90 = 279,711.23/x
  3. Step 3: Cross multiply
    953,616.54x = 1,430,435.90 × 279,711.23
  4. Step 4: Simplify right side
    953,616.54x = 400,108,978,572.26
  5. Step 5: Solve for x
    x = 400,108,978,572.26/953,616.54
  6. Step 6: Final answer
    x = 419,570.09

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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.