Home / 1,419,617.21-1,958,980.53-775,036.01

Finding the Fourth Proportional to 1,419,617.21, 1,958,980.53 and 775,036.01

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Solution

The fourth proportional to 1,419,617.21, 1,958,980.53 and 775,036.01 is: 1,069,499.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,617.21 : 1,958,980.53 = 775,036.01 : x
  2. Step 2: Convert to fraction form
    1,419,617.21/1,958,980.53 = 775,036.01/x
  3. Step 3: Cross multiply
    1,419,617.21x = 1,958,980.53 × 775,036.01
  4. Step 4: Simplify right side
    1,419,617.21x = 1,518,280,443,843.98
  5. Step 5: Solve for x
    x = 1,518,280,443,843.98/1,419,617.21
  6. Step 6: Final answer
    x = 1,069,499.89

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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.