Home / 1,197,813.90-1,796,720.85-1,111,208.70

Finding the Fourth Proportional to 1,197,813.90, 1,796,720.85 and 1,111,208.70

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Solution

The fourth proportional to 1,197,813.90, 1,796,720.85 and 1,111,208.70 is: 1,666,813.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,813.90 : 1,796,720.85 = 1,111,208.70 : x
  2. Step 2: Convert to fraction form
    1,197,813.90/1,796,720.85 = 1,111,208.70/x
  3. Step 3: Cross multiply
    1,197,813.90x = 1,796,720.85 × 1,111,208.70
  4. Step 4: Simplify right side
    1,197,813.90x = 1,996,531,839,991.40
  5. Step 5: Solve for x
    x = 1,996,531,839,991.40/1,197,813.90
  6. Step 6: Final answer
    x = 1,666,813.05

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Double scale
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Similar ratio
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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.