Home / 1,416,335.91-1,954,482.46-804,486.78

Finding the Fourth Proportional to 1,416,335.91, 1,954,482.46 and 804,486.78

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Solution

The fourth proportional to 1,416,335.91, 1,954,482.46 and 804,486.78 is: 1,110,157.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,335.91 : 1,954,482.46 = 804,486.78 : x
  2. Step 2: Convert to fraction form
    1,416,335.91/1,954,482.46 = 804,486.78/x
  3. Step 3: Cross multiply
    1,416,335.91x = 1,954,482.46 × 804,486.78
  4. Step 4: Simplify right side
    1,416,335.91x = 1,572,355,296,789.45
  5. Step 5: Solve for x
    x = 1,572,355,296,789.45/1,416,335.91
  6. Step 6: Final answer
    x = 1,110,157.05

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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.