Home / 985,629.04-1,360,112.23-555,883.54

Finding the Fourth Proportional to 985,629.04, 1,360,112.23 and 555,883.54

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Solution

The fourth proportional to 985,629.04, 1,360,112.23 and 555,883.54 is: 767,087.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,629.04 : 1,360,112.23 = 555,883.54 : x
  2. Step 2: Convert to fraction form
    985,629.04/1,360,112.23 = 555,883.54/x
  3. Step 3: Cross multiply
    985,629.04x = 1,360,112.23 × 555,883.54
  4. Step 4: Simplify right side
    985,629.04x = 756,064,001,209.69
  5. Step 5: Solve for x
    x = 756,064,001,209.69/985,629.04
  6. Step 6: Final answer
    x = 767,087.79

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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.