Home / 1,621,660.32-2,237,876.64-896,526.48

Finding the Fourth Proportional to 1,621,660.32, 2,237,876.64 and 896,526.48

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Solution

The fourth proportional to 1,621,660.32, 2,237,876.64 and 896,526.48 is: 1,237,198.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,660.32 : 2,237,876.64 = 896,526.48 : x
  2. Step 2: Convert to fraction form
    1,621,660.32/2,237,876.64 = 896,526.48/x
  3. Step 3: Cross multiply
    1,621,660.32x = 2,237,876.64 × 896,526.48
  4. Step 4: Simplify right side
    1,621,660.32x = 2,006,315,666,733.43
  5. Step 5: Solve for x
    x = 2,006,315,666,733.43/1,621,660.32
  6. Step 6: Final answer
    x = 1,237,198.47

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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.