Home / 874,449.36-1,311,477.20-570,747.92

Finding the Fourth Proportional to 874,449.36, 1,311,477.20 and 570,747.92

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Solution

The fourth proportional to 874,449.36, 1,311,477.20 and 570,747.92 is: 855,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,449.36 : 1,311,477.20 = 570,747.92 : x
  2. Step 2: Convert to fraction form
    874,449.36/1,311,477.20 = 570,747.92/x
  3. Step 3: Cross multiply
    874,449.36x = 1,311,477.20 × 570,747.92
  4. Step 4: Simplify right side
    874,449.36x = 748,522,884,027.42
  5. Step 5: Solve for x
    x = 748,522,884,027.42/874,449.36
  6. Step 6: Final answer
    x = 855,993.40

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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.