Home / 1,173,161.32-1,618,962.63-636,617.32

Finding the Fourth Proportional to 1,173,161.32, 1,618,962.63 and 636,617.32

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Solution

The fourth proportional to 1,173,161.32, 1,618,962.63 and 636,617.32 is: 878,531.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,161.32 : 1,618,962.63 = 636,617.32 : x
  2. Step 2: Convert to fraction form
    1,173,161.32/1,618,962.63 = 636,617.32/x
  3. Step 3: Cross multiply
    1,173,161.32x = 1,618,962.63 × 636,617.32
  4. Step 4: Simplify right side
    1,173,161.32x = 1,030,659,650,690.75
  5. Step 5: Solve for x
    x = 1,030,659,650,690.75/1,173,161.32
  6. Step 6: Final answer
    x = 878,531.91

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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.