Home / 1,345,801.78-2,019,543.09-896,837.68

Finding the Fourth Proportional to 1,345,801.78, 2,019,543.09 and 896,837.68

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Solution

The fourth proportional to 1,345,801.78, 2,019,543.09 and 896,837.68 is: 1,345,816.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,801.78 : 2,019,543.09 = 896,837.68 : x
  2. Step 2: Convert to fraction form
    1,345,801.78/2,019,543.09 = 896,837.68/x
  3. Step 3: Cross multiply
    1,345,801.78x = 2,019,543.09 × 896,837.68
  4. Step 4: Simplify right side
    1,345,801.78x = 1,811,202,339,495.63
  5. Step 5: Solve for x
    x = 1,811,202,339,495.63/1,345,801.78
  6. Step 6: Final answer
    x = 1,345,816.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.