Home / 898,629.90-1,240,383.87-554,571.06

Finding the Fourth Proportional to 898,629.90, 1,240,383.87 and 554,571.06

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Solution

The fourth proportional to 898,629.90, 1,240,383.87 and 554,571.06 is: 765,477.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,629.90 : 1,240,383.87 = 554,571.06 : x
  2. Step 2: Convert to fraction form
    898,629.90/1,240,383.87 = 554,571.06/x
  3. Step 3: Cross multiply
    898,629.90x = 1,240,383.87 × 554,571.06
  4. Step 4: Simplify right side
    898,629.90x = 687,880,997,592.80
  5. Step 5: Solve for x
    x = 687,880,997,592.80/898,629.90
  6. Step 6: Final answer
    x = 765,477.53

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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.