Home / 1,197,828.78-1,796,357.61-398,895.81

Finding the Fourth Proportional to 1,197,828.78, 1,796,357.61 and 398,895.81

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Solution

The fourth proportional to 1,197,828.78, 1,796,357.61 and 398,895.81 is: 598,215.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,828.78 : 1,796,357.61 = 398,895.81 : x
  2. Step 2: Convert to fraction form
    1,197,828.78/1,796,357.61 = 398,895.81/x
  3. Step 3: Cross multiply
    1,197,828.78x = 1,796,357.61 × 398,895.81
  4. Step 4: Simplify right side
    1,197,828.78x = 716,559,523,890.61
  5. Step 5: Solve for x
    x = 716,559,523,890.61/1,197,828.78
  6. Step 6: Final answer
    x = 598,215.32

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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.