Home / 1,185,025.54-1,635,323.62-641,149.40

Finding the Fourth Proportional to 1,185,025.54, 1,635,323.62 and 641,149.40

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Solution

The fourth proportional to 1,185,025.54, 1,635,323.62 and 641,149.40 is: 884,779.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,025.54 : 1,635,323.62 = 641,149.40 : x
  2. Step 2: Convert to fraction form
    1,185,025.54/1,635,323.62 = 641,149.40/x
  3. Step 3: Cross multiply
    1,185,025.54x = 1,635,323.62 × 641,149.40
  4. Step 4: Simplify right side
    1,185,025.54x = 1,048,486,749,056.40
  5. Step 5: Solve for x
    x = 1,048,486,749,056.40/1,185,025.54
  6. Step 6: Final answer
    x = 884,779.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.