Home / 1,173,486.15-1,618,889.88-765,494.01

Finding the Fourth Proportional to 1,173,486.15, 1,618,889.88 and 765,494.01

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Solution

The fourth proportional to 1,173,486.15, 1,618,889.88 and 765,494.01 is: 1,056,041.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,486.15 : 1,618,889.88 = 765,494.01 : x
  2. Step 2: Convert to fraction form
    1,173,486.15/1,618,889.88 = 765,494.01/x
  3. Step 3: Cross multiply
    1,173,486.15x = 1,618,889.88 × 765,494.01
  4. Step 4: Simplify right side
    1,173,486.15x = 1,239,250,505,989.62
  5. Step 5: Solve for x
    x = 1,239,250,505,989.62/1,173,486.15
  6. Step 6: Final answer
    x = 1,056,041.87

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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.