Home / 1,621,173.60-2,237,335.40-896,005.71

Finding the Fourth Proportional to 1,621,173.60, 2,237,335.40 and 896,005.71

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Solution

The fourth proportional to 1,621,173.60, 2,237,335.40 and 896,005.71 is: 1,236,551.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,173.60 : 2,237,335.40 = 896,005.71 : x
  2. Step 2: Convert to fraction form
    1,621,173.60/2,237,335.40 = 896,005.71/x
  3. Step 3: Cross multiply
    1,621,173.60x = 2,237,335.40 × 896,005.71
  4. Step 4: Simplify right side
    1,621,173.60x = 2,004,665,295,825.15
  5. Step 5: Solve for x
    x = 2,004,665,295,825.15/1,621,173.60
  6. Step 6: Final answer
    x = 1,236,551.90

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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.