Home / 953,849.92-1,430,996.16-279,904

Finding the Fourth Proportional to 953,849.92, 1,430,996.16 and 279,904

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Solution

The fourth proportional to 953,849.92, 1,430,996.16 and 279,904 is: 419,920.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,849.92 : 1,430,996.16 = 279,904 : x
  2. Step 2: Convert to fraction form
    953,849.92/1,430,996.16 = 279,904/x
  3. Step 3: Cross multiply
    953,849.92x = 1,430,996.16 × 279,904
  4. Step 4: Simplify right side
    953,849.92x = 400,541,549,168.64
  5. Step 5: Solve for x
    x = 400,541,549,168.64/953,849.92
  6. Step 6: Final answer
    x = 419,920.93

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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.