Home / 1,296,693.71-1,945,329.73-398,226.11

Finding the Fourth Proportional to 1,296,693.71, 1,945,329.73 and 398,226.11

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Solution

The fourth proportional to 1,296,693.71, 1,945,329.73 and 398,226.11 is: 597,427.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,693.71 : 1,945,329.73 = 398,226.11 : x
  2. Step 2: Convert to fraction form
    1,296,693.71/1,945,329.73 = 398,226.11/x
  3. Step 3: Cross multiply
    1,296,693.71x = 1,945,329.73 × 398,226.11
  4. Step 4: Simplify right side
    1,296,693.71x = 774,681,094,913.01
  5. Step 5: Solve for x
    x = 774,681,094,913.01/1,296,693.71
  6. Step 6: Final answer
    x = 597,427.98

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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.