Home / 722,670.18-997,258.38-416,759.46

Finding the Fourth Proportional to 722,670.18, 997,258.38 and 416,759.46

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Solution

The fourth proportional to 722,670.18, 997,258.38 and 416,759.46 is: 575,112.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,670.18 : 997,258.38 = 416,759.46 : x
  2. Step 2: Convert to fraction form
    722,670.18/997,258.38 = 416,759.46/x
  3. Step 3: Cross multiply
    722,670.18x = 997,258.38 × 416,759.46
  4. Step 4: Simplify right side
    722,670.18x = 415,616,863,929.28
  5. Step 5: Solve for x
    x = 415,616,863,929.28/722,670.18
  6. Step 6: Final answer
    x = 575,112.79

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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.