Home / 1,037,629.60-1,431,711.09-629,946.10

Finding the Fourth Proportional to 1,037,629.60, 1,431,711.09 and 629,946.10

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Solution

The fourth proportional to 1,037,629.60, 1,431,711.09 and 629,946.10 is: 869,193.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,629.60 : 1,431,711.09 = 629,946.10 : x
  2. Step 2: Convert to fraction form
    1,037,629.60/1,431,711.09 = 629,946.10/x
  3. Step 3: Cross multiply
    1,037,629.60x = 1,431,711.09 × 629,946.10
  4. Step 4: Simplify right side
    1,037,629.60x = 901,900,817,472.25
  5. Step 5: Solve for x
    x = 901,900,817,472.25/1,037,629.60
  6. Step 6: Final answer
    x = 869,193.42

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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.