Home / 836,993.89-1,155,002.52-455,017.33

Finding the Fourth Proportional to 836,993.89, 1,155,002.52 and 455,017.33

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Solution

The fourth proportional to 836,993.89, 1,155,002.52 and 455,017.33 is: 627,897.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,993.89 : 1,155,002.52 = 455,017.33 : x
  2. Step 2: Convert to fraction form
    836,993.89/1,155,002.52 = 455,017.33/x
  3. Step 3: Cross multiply
    836,993.89x = 1,155,002.52 × 455,017.33
  4. Step 4: Simplify right side
    836,993.89x = 525,546,162,793.67
  5. Step 5: Solve for x
    x = 525,546,162,793.67/836,993.89
  6. Step 6: Final answer
    x = 627,897.25

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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.