Home / 1,621,833.10-2,238,039.32-896,638.48

Finding the Fourth Proportional to 1,621,833.10, 2,238,039.32 and 896,638.48

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Solution

The fourth proportional to 1,621,833.10, 2,238,039.32 and 896,638.48 is: 1,237,311.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,833.10 : 2,238,039.32 = 896,638.48 : x
  2. Step 2: Convert to fraction form
    1,621,833.10/2,238,039.32 = 896,638.48/x
  3. Step 3: Cross multiply
    1,621,833.10x = 2,238,039.32 × 896,638.48
  4. Step 4: Simplify right side
    1,621,833.10x = 2,006,712,163,986.74
  5. Step 5: Solve for x
    x = 2,006,712,163,986.74/1,621,833.10
  6. Step 6: Final answer
    x = 1,237,311.14

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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.