Home / 1,245,423.48-1,718,087.82-1,197,139.32

Finding the Fourth Proportional to 1,245,423.48, 1,718,087.82 and 1,197,139.32

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Solution

The fourth proportional to 1,245,423.48, 1,718,087.82 and 1,197,139.32 is: 1,651,478.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,423.48 : 1,718,087.82 = 1,197,139.32 : x
  2. Step 2: Convert to fraction form
    1,245,423.48/1,718,087.82 = 1,197,139.32/x
  3. Step 3: Cross multiply
    1,245,423.48x = 1,718,087.82 × 1,197,139.32
  4. Step 4: Simplify right side
    1,245,423.48x = 2,056,790,484,535.08
  5. Step 5: Solve for x
    x = 2,056,790,484,535.08/1,245,423.48
  6. Step 6: Final answer
    x = 1,651,478.81

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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.