Home / 1,621,848.40-2,238,111.36-896,677.44

Finding the Fourth Proportional to 1,621,848.40, 2,238,111.36 and 896,677.44

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Solution

The fourth proportional to 1,621,848.40, 2,238,111.36 and 896,677.44 is: 1,237,393.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,848.40 : 2,238,111.36 = 896,677.44 : x
  2. Step 2: Convert to fraction form
    1,621,848.40/2,238,111.36 = 896,677.44/x
  3. Step 3: Cross multiply
    1,621,848.40x = 2,238,111.36 × 896,677.44
  4. Step 4: Simplify right side
    1,621,848.40x = 2,006,863,964,719.72
  5. Step 5: Solve for x
    x = 2,006,863,964,719.72/1,621,848.40
  6. Step 6: Final answer
    x = 1,237,393.07

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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.