Home / 398,841.06-598,378.23-118,365.60

Finding the Fourth Proportional to 398,841.06, 598,378.23 and 118,365.60

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Solution

The fourth proportional to 398,841.06, 598,378.23 and 118,365.60 is: 177,583.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,841.06 : 598,378.23 = 118,365.60 : x
  2. Step 2: Convert to fraction form
    398,841.06/598,378.23 = 118,365.60/x
  3. Step 3: Cross multiply
    398,841.06x = 598,378.23 × 118,365.60
  4. Step 4: Simplify right side
    398,841.06x = 70,827,398,220.89
  5. Step 5: Solve for x
    x = 70,827,398,220.89/398,841.06
  6. Step 6: Final answer
    x = 177,583.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.