Home / 528,736.75-726,851.05-454,879.37

Finding the Fourth Proportional to 528,736.75, 726,851.05 and 454,879.37

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Solution

The fourth proportional to 528,736.75, 726,851.05 and 454,879.37 is: 625,319.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,736.75 : 726,851.05 = 454,879.37 : x
  2. Step 2: Convert to fraction form
    528,736.75/726,851.05 = 454,879.37/x
  3. Step 3: Cross multiply
    528,736.75x = 726,851.05 × 454,879.37
  4. Step 4: Simplify right side
    528,736.75x = 330,629,547,707.84
  5. Step 5: Solve for x
    x = 330,629,547,707.84/528,736.75
  6. Step 6: Final answer
    x = 625,319.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.