Home / 874,771.92-1,207,274.44-535,464.40

Finding the Fourth Proportional to 874,771.92, 1,207,274.44 and 535,464.40

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Solution

The fourth proportional to 874,771.92, 1,207,274.44 and 535,464.40 is: 738,995.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,771.92 : 1,207,274.44 = 535,464.40 : x
  2. Step 2: Convert to fraction form
    874,771.92/1,207,274.44 = 535,464.40/x
  3. Step 3: Cross multiply
    874,771.92x = 1,207,274.44 × 535,464.40
  4. Step 4: Simplify right side
    874,771.92x = 646,452,483,649.94
  5. Step 5: Solve for x
    x = 646,452,483,649.94/874,771.92
  6. Step 6: Final answer
    x = 738,995.47

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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.