Home / 985,200.30-1,476,634.05-416,580.30

Finding the Fourth Proportional to 985,200.30, 1,476,634.05 and 416,580.30

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Solution

The fourth proportional to 985,200.30, 1,476,634.05 and 416,580.30 is: 624,377.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,200.30 : 1,476,634.05 = 416,580.30 : x
  2. Step 2: Convert to fraction form
    985,200.30/1,476,634.05 = 416,580.30/x
  3. Step 3: Cross multiply
    985,200.30x = 1,476,634.05 × 416,580.30
  4. Step 4: Simplify right side
    985,200.30x = 615,136,655,539.22
  5. Step 5: Solve for x
    x = 615,136,655,539.22/985,200.30
  6. Step 6: Final answer
    x = 624,377.25

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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.