Home / 1,403,640.27-1,936,991.21-830,690.01

Finding the Fourth Proportional to 1,403,640.27, 1,936,991.21 and 830,690.01

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Solution

The fourth proportional to 1,403,640.27, 1,936,991.21 and 830,690.01 is: 1,146,333.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,640.27 : 1,936,991.21 = 830,690.01 : x
  2. Step 2: Convert to fraction form
    1,403,640.27/1,936,991.21 = 830,690.01/x
  3. Step 3: Cross multiply
    1,403,640.27x = 1,936,991.21 × 830,690.01
  4. Step 4: Simplify right side
    1,403,640.27x = 1,609,039,243,451.36
  5. Step 5: Solve for x
    x = 1,609,039,243,451.36/1,403,640.27
  6. Step 6: Final answer
    x = 1,146,333.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.