Home / 1,621,396.27-2,237,429.59-896,200.74

Finding the Fourth Proportional to 1,621,396.27, 2,237,429.59 and 896,200.74

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Solution

The fourth proportional to 1,621,396.27, 2,237,429.59 and 896,200.74 is: 1,236,703.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,396.27 : 2,237,429.59 = 896,200.74 : x
  2. Step 2: Convert to fraction form
    1,621,396.27/2,237,429.59 = 896,200.74/x
  3. Step 3: Cross multiply
    1,621,396.27x = 2,237,429.59 × 896,200.74
  4. Step 4: Simplify right side
    1,621,396.27x = 2,005,186,052,015.39
  5. Step 5: Solve for x
    x = 2,005,186,052,015.39/1,621,396.27
  6. Step 6: Final answer
    x = 1,236,703.26

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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.