Home / 1,197,500.94-1,796,538.42-398,789.40

Finding the Fourth Proportional to 1,197,500.94, 1,796,538.42 and 398,789.40

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Solution

The fourth proportional to 1,197,500.94, 1,796,538.42 and 398,789.40 is: 598,279.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,500.94 : 1,796,538.42 = 398,789.40 : x
  2. Step 2: Convert to fraction form
    1,197,500.94/1,796,538.42 = 398,789.40/x
  3. Step 3: Cross multiply
    1,197,500.94x = 1,796,538.42 × 398,789.40
  4. Step 4: Simplify right side
    1,197,500.94x = 716,440,478,588.75
  5. Step 5: Solve for x
    x = 716,440,478,588.75/1,197,500.94
  6. Step 6: Final answer
    x = 598,279.68

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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.