Home / 1,291,100.40-1,935,268.20-581,007.60

Finding the Fourth Proportional to 1,291,100.40, 1,935,268.20 and 581,007.60

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Solution

The fourth proportional to 1,291,100.40, 1,935,268.20 and 581,007.60 is: 870,889.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,100.40 : 1,935,268.20 = 581,007.60 : x
  2. Step 2: Convert to fraction form
    1,291,100.40/1,935,268.20 = 581,007.60/x
  3. Step 3: Cross multiply
    1,291,100.40x = 1,935,268.20 × 581,007.60
  4. Step 4: Simplify right side
    1,291,100.40x = 1,124,405,532,238.32
  5. Step 5: Solve for x
    x = 1,124,405,532,238.32/1,291,100.40
  6. Step 6: Final answer
    x = 870,889.31

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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.