Home / 941,650.68-1,299,762.54-640,019.64

Finding the Fourth Proportional to 941,650.68, 1,299,762.54 and 640,019.64

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Solution

The fourth proportional to 941,650.68, 1,299,762.54 and 640,019.64 is: 883,420.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,650.68 : 1,299,762.54 = 640,019.64 : x
  2. Step 2: Convert to fraction form
    941,650.68/1,299,762.54 = 640,019.64/x
  3. Step 3: Cross multiply
    941,650.68x = 1,299,762.54 × 640,019.64
  4. Step 4: Simplify right side
    941,650.68x = 831,873,552,936.29
  5. Step 5: Solve for x
    x = 831,873,552,936.29/941,650.68
  6. Step 6: Final answer
    x = 883,420.54

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1.5x scale

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.