Home / 1,243,448.32-1,715,958.26-692,152.05

Finding the Fourth Proportional to 1,243,448.32, 1,715,958.26 and 692,152.05

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Solution

The fourth proportional to 1,243,448.32, 1,715,958.26 and 692,152.05 is: 955,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,448.32 : 1,715,958.26 = 692,152.05 : x
  2. Step 2: Convert to fraction form
    1,243,448.32/1,715,958.26 = 692,152.05/x
  3. Step 3: Cross multiply
    1,243,448.32x = 1,715,958.26 × 692,152.05
  4. Step 4: Simplify right side
    1,243,448.32x = 1,187,704,029,103.81
  5. Step 5: Solve for x
    x = 1,187,704,029,103.81/1,243,448.32
  6. Step 6: Final answer
    x = 955,169.60

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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.