Home / 661,546.83-913,113.08-432,099.25

Finding the Fourth Proportional to 661,546.83, 913,113.08 and 432,099.25

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Solution

The fourth proportional to 661,546.83, 913,113.08 and 432,099.25 is: 596,413.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,546.83 : 913,113.08 = 432,099.25 : x
  2. Step 2: Convert to fraction form
    661,546.83/913,113.08 = 432,099.25/x
  3. Step 3: Cross multiply
    661,546.83x = 913,113.08 × 432,099.25
  4. Step 4: Simplify right side
    661,546.83x = 394,555,477,033.19
  5. Step 5: Solve for x
    x = 394,555,477,033.19/661,546.83
  6. Step 6: Final answer
    x = 596,413.53

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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.