Home / 833,400.09-1,150,091.06-451,428.39

Finding the Fourth Proportional to 833,400.09, 1,150,091.06 and 451,428.39

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Solution

The fourth proportional to 833,400.09, 1,150,091.06 and 451,428.39 is: 622,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,400.09 : 1,150,091.06 = 451,428.39 : x
  2. Step 2: Convert to fraction form
    833,400.09/1,150,091.06 = 451,428.39/x
  3. Step 3: Cross multiply
    833,400.09x = 1,150,091.06 × 451,428.39
  4. Step 4: Simplify right side
    833,400.09x = 519,183,753,312.05
  5. Step 5: Solve for x
    x = 519,183,753,312.05/833,400.09
  6. Step 6: Final answer
    x = 622,970.60

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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.