Home / 1,366,919.08-1,886,405.59-786,142.60

Finding the Fourth Proportional to 1,366,919.08, 1,886,405.59 and 786,142.60

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Solution

The fourth proportional to 1,366,919.08, 1,886,405.59 and 786,142.60 is: 1,084,909.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,919.08 : 1,886,405.59 = 786,142.60 : x
  2. Step 2: Convert to fraction form
    1,366,919.08/1,886,405.59 = 786,142.60/x
  3. Step 3: Cross multiply
    1,366,919.08x = 1,886,405.59 × 786,142.60
  4. Step 4: Simplify right side
    1,366,919.08x = 1,482,983,795,177.13
  5. Step 5: Solve for x
    x = 1,482,983,795,177.13/1,366,919.08
  6. Step 6: Final answer
    x = 1,084,909.72

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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.