Home / 1,621,713.78-2,237,770.44-896,463.18

Finding the Fourth Proportional to 1,621,713.78, 2,237,770.44 and 896,463.18

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Solution

The fourth proportional to 1,621,713.78, 2,237,770.44 and 896,463.18 is: 1,237,011.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,713.78 : 2,237,770.44 = 896,463.18 : x
  2. Step 2: Convert to fraction form
    1,621,713.78/2,237,770.44 = 896,463.18/x
  3. Step 3: Cross multiply
    1,621,713.78x = 2,237,770.44 × 896,463.18
  4. Step 4: Simplify right side
    1,621,713.78x = 2,006,078,804,752.40
  5. Step 5: Solve for x
    x = 2,006,078,804,752.40/1,621,713.78
  6. Step 6: Final answer
    x = 1,237,011.63

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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.