Home / 862,334.51-1,181,403.63-830,011.86

Finding the Fourth Proportional to 862,334.51, 1,181,403.63 and 830,011.86

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Solution

The fourth proportional to 862,334.51, 1,181,403.63 and 830,011.86 is: 1,137,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,334.51 : 1,181,403.63 = 830,011.86 : x
  2. Step 2: Convert to fraction form
    862,334.51/1,181,403.63 = 830,011.86/x
  3. Step 3: Cross multiply
    862,334.51x = 1,181,403.63 × 830,011.86
  4. Step 4: Simplify right side
    862,334.51x = 980,579,024,347.05
  5. Step 5: Solve for x
    x = 980,579,024,347.05/862,334.51
  6. Step 6: Final answer
    x = 1,137,121.41

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.