Home / 1,051,880.80-1,576,784.40-518,965.60

Finding the Fourth Proportional to 1,051,880.80, 1,576,784.40 and 518,965.60

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Solution

The fourth proportional to 1,051,880.80, 1,576,784.40 and 518,965.60 is: 777,936.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,880.80 : 1,576,784.40 = 518,965.60 : x
  2. Step 2: Convert to fraction form
    1,051,880.80/1,576,784.40 = 518,965.60/x
  3. Step 3: Cross multiply
    1,051,880.80x = 1,576,784.40 × 518,965.60
  4. Step 4: Simplify right side
    1,051,880.80x = 818,296,862,216.64
  5. Step 5: Solve for x
    x = 818,296,862,216.64/1,051,880.80
  6. Step 6: Final answer
    x = 777,936.87

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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.