Home / 1,243,919.03-1,716,620.45-692,642.48

Finding the Fourth Proportional to 1,243,919.03, 1,716,620.45 and 692,642.48

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Solution

The fourth proportional to 1,243,919.03, 1,716,620.45 and 692,642.48 is: 955,853.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,919.03 : 1,716,620.45 = 692,642.48 : x
  2. Step 2: Convert to fraction form
    1,243,919.03/1,716,620.45 = 692,642.48/x
  3. Step 3: Cross multiply
    1,243,919.03x = 1,716,620.45 × 692,642.48
  4. Step 4: Simplify right side
    1,243,919.03x = 1,189,004,233,660.40
  5. Step 5: Solve for x
    x = 1,189,004,233,660.40/1,243,919.03
  6. Step 6: Final answer
    x = 955,853.40

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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.