Home / 802,425.42-1,107,460.49-496,600.34

Finding the Fourth Proportional to 802,425.42, 1,107,460.49 and 496,600.34

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Solution

The fourth proportional to 802,425.42, 1,107,460.49 and 496,600.34 is: 685,378.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,425.42 : 1,107,460.49 = 496,600.34 : x
  2. Step 2: Convert to fraction form
    802,425.42/1,107,460.49 = 496,600.34/x
  3. Step 3: Cross multiply
    802,425.42x = 1,107,460.49 × 496,600.34
  4. Step 4: Simplify right side
    802,425.42x = 549,965,247,850.26
  5. Step 5: Solve for x
    x = 549,965,247,850.26/802,425.42
  6. Step 6: Final answer
    x = 685,378.65

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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.