Home / 1,219,322.81-1,829,240.94-461,147.31

Finding the Fourth Proportional to 1,219,322.81, 1,829,240.94 and 461,147.31

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Solution

The fourth proportional to 1,219,322.81, 1,829,240.94 and 461,147.31 is: 691,818.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,322.81 : 1,829,240.94 = 461,147.31 : x
  2. Step 2: Convert to fraction form
    1,219,322.81/1,829,240.94 = 461,147.31/x
  3. Step 3: Cross multiply
    1,219,322.81x = 1,829,240.94 × 461,147.31
  4. Step 4: Simplify right side
    1,219,322.81x = 843,549,538,822.87
  5. Step 5: Solve for x
    x = 843,549,538,822.87/1,219,322.81
  6. Step 6: Final answer
    x = 691,818.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.