Home / 819,324.51-1,130,735.12-451,873.52

Finding the Fourth Proportional to 819,324.51, 1,130,735.12 and 451,873.52

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Solution

The fourth proportional to 819,324.51, 1,130,735.12 and 451,873.52 is: 623,622.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,324.51 : 1,130,735.12 = 451,873.52 : x
  2. Step 2: Convert to fraction form
    819,324.51/1,130,735.12 = 451,873.52/x
  3. Step 3: Cross multiply
    819,324.51x = 1,130,735.12 × 451,873.52
  4. Step 4: Simplify right side
    819,324.51x = 510,949,259,429.49
  5. Step 5: Solve for x
    x = 510,949,259,429.49/819,324.51
  6. Step 6: Final answer
    x = 623,622.58

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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.