Home / 622,512.10-933,768.15-386,316.10

Finding the Fourth Proportional to 622,512.10, 933,768.15 and 386,316.10

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Solution

The fourth proportional to 622,512.10, 933,768.15 and 386,316.10 is: 579,474.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,512.10 : 933,768.15 = 386,316.10 : x
  2. Step 2: Convert to fraction form
    622,512.10/933,768.15 = 386,316.10/x
  3. Step 3: Cross multiply
    622,512.10x = 933,768.15 × 386,316.10
  4. Step 4: Simplify right side
    622,512.10x = 360,729,670,012.22
  5. Step 5: Solve for x
    x = 360,729,670,012.22/622,512.10
  6. Step 6: Final answer
    x = 579,474.15

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Similar ratio
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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.