Home / 1,621,837.62-2,238,045.53-896,643

Finding the Fourth Proportional to 1,621,837.62, 2,238,045.53 and 896,643

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Solution

The fourth proportional to 1,621,837.62, 2,238,045.53 and 896,643 is: 1,237,317.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,837.62 : 2,238,045.53 = 896,643 : x
  2. Step 2: Convert to fraction form
    1,621,837.62/2,238,045.53 = 896,643/x
  3. Step 3: Cross multiply
    1,621,837.62x = 2,238,045.53 × 896,643
  4. Step 4: Simplify right side
    1,621,837.62x = 2,006,727,853,672.58
  5. Step 5: Solve for x
    x = 2,006,727,853,672.58/1,621,837.62
  6. Step 6: Final answer
    x = 1,237,317.37

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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.