Home / 1,120,543.42-1,546,422.99-637,153.54

Finding the Fourth Proportional to 1,120,543.42, 1,546,422.99 and 637,153.54

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Solution

The fourth proportional to 1,120,543.42, 1,546,422.99 and 637,153.54 is: 879,313.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,543.42 : 1,546,422.99 = 637,153.54 : x
  2. Step 2: Convert to fraction form
    1,120,543.42/1,546,422.99 = 637,153.54/x
  3. Step 3: Cross multiply
    1,120,543.42x = 1,546,422.99 × 637,153.54
  4. Step 4: Simplify right side
    1,120,543.42x = 985,308,888,443.12
  5. Step 5: Solve for x
    x = 985,308,888,443.12/1,120,543.42
  6. Step 6: Final answer
    x = 879,313.44

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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.