Home / 743,206.56-1,025,630.46-403,674.96

Finding the Fourth Proportional to 743,206.56, 1,025,630.46 and 403,674.96

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Solution

The fourth proportional to 743,206.56, 1,025,630.46 and 403,674.96 is: 557,074.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,206.56 : 1,025,630.46 = 403,674.96 : x
  2. Step 2: Convert to fraction form
    743,206.56/1,025,630.46 = 403,674.96/x
  3. Step 3: Cross multiply
    743,206.56x = 1,025,630.46 × 403,674.96
  4. Step 4: Simplify right side
    743,206.56x = 414,021,334,915.28
  5. Step 5: Solve for x
    x = 414,021,334,915.28/743,206.56
  6. Step 6: Final answer
    x = 557,074.38

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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.