Home / 1,197,805.20-1,796,736.60-356,384.40

Finding the Fourth Proportional to 1,197,805.20, 1,796,736.60 and 356,384.40

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Solution

The fourth proportional to 1,197,805.20, 1,796,736.60 and 356,384.40 is: 534,585.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,805.20 : 1,796,736.60 = 356,384.40 : x
  2. Step 2: Convert to fraction form
    1,197,805.20/1,796,736.60 = 356,384.40/x
  3. Step 3: Cross multiply
    1,197,805.20x = 1,796,736.60 × 356,384.40
  4. Step 4: Simplify right side
    1,197,805.20x = 640,328,895,149.04
  5. Step 5: Solve for x
    x = 640,328,895,149.04/1,197,805.20
  6. Step 6: Final answer
    x = 534,585.17

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1.5x scale

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.