Home / 1,256,617.80-1,734,140.19-683,662.08

Finding the Fourth Proportional to 1,256,617.80, 1,734,140.19 and 683,662.08

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Solution

The fourth proportional to 1,256,617.80, 1,734,140.19 and 683,662.08 is: 943,457.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,617.80 : 1,734,140.19 = 683,662.08 : x
  2. Step 2: Convert to fraction form
    1,256,617.80/1,734,140.19 = 683,662.08/x
  3. Step 3: Cross multiply
    1,256,617.80x = 1,734,140.19 × 683,662.08
  4. Step 4: Simplify right side
    1,256,617.80x = 1,185,565,889,307.00
  5. Step 5: Solve for x
    x = 1,185,565,889,307.00/1,256,617.80
  6. Step 6: Final answer
    x = 943,457.82

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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.