Home / 995,180.80-1,373,351.88-565,603.60

Finding the Fourth Proportional to 995,180.80, 1,373,351.88 and 565,603.60

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Solution

The fourth proportional to 995,180.80, 1,373,351.88 and 565,603.60 is: 780,534.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,180.80 : 1,373,351.88 = 565,603.60 : x
  2. Step 2: Convert to fraction form
    995,180.80/1,373,351.88 = 565,603.60/x
  3. Step 3: Cross multiply
    995,180.80x = 1,373,351.88 × 565,603.60
  4. Step 4: Simplify right side
    995,180.80x = 776,772,767,394.77
  5. Step 5: Solve for x
    x = 776,772,767,394.77/995,180.80
  6. Step 6: Final answer
    x = 780,534.32

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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.