Home / 1,621,900.40-2,238,132.12-896,705.84

Finding the Fourth Proportional to 1,621,900.40, 2,238,132.12 and 896,705.84

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Solution

The fourth proportional to 1,621,900.40, 2,238,132.12 and 896,705.84 is: 1,237,404.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,900.40 : 2,238,132.12 = 896,705.84 : x
  2. Step 2: Convert to fraction form
    1,621,900.40/2,238,132.12 = 896,705.84/x
  3. Step 3: Cross multiply
    1,621,900.40x = 2,238,132.12 × 896,705.84
  4. Step 4: Simplify right side
    1,621,900.40x = 2,006,946,142,695.58
  5. Step 5: Solve for x
    x = 2,006,946,142,695.58/1,621,900.40
  6. Step 6: Final answer
    x = 1,237,404.06

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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.