Home / 698,573.80-1,047,860.70-225,274.60

Finding the Fourth Proportional to 698,573.80, 1,047,860.70 and 225,274.60

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Solution

The fourth proportional to 698,573.80, 1,047,860.70 and 225,274.60 is: 337,911.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,573.80 : 1,047,860.70 = 225,274.60 : x
  2. Step 2: Convert to fraction form
    698,573.80/1,047,860.70 = 225,274.60/x
  3. Step 3: Cross multiply
    698,573.80x = 1,047,860.70 × 225,274.60
  4. Step 4: Simplify right side
    698,573.80x = 236,056,400,048.22
  5. Step 5: Solve for x
    x = 236,056,400,048.22/698,573.80
  6. Step 6: Final answer
    x = 337,911.90

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Double scale
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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.