Home / 1,299,639.04-1,949,458.56-856,303.36

Finding the Fourth Proportional to 1,299,639.04, 1,949,458.56 and 856,303.36

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Solution

The fourth proportional to 1,299,639.04, 1,949,458.56 and 856,303.36 is: 1,284,455.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,639.04 : 1,949,458.56 = 856,303.36 : x
  2. Step 2: Convert to fraction form
    1,299,639.04/1,949,458.56 = 856,303.36/x
  3. Step 3: Cross multiply
    1,299,639.04x = 1,949,458.56 × 856,303.36
  4. Step 4: Simplify right side
    1,299,639.04x = 1,669,327,915,108.76
  5. Step 5: Solve for x
    x = 1,669,327,915,108.76/1,299,639.04
  6. Step 6: Final answer
    x = 1,284,455.04

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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.