Home / 904,286.48-1,247,870.22-522,290.48

Finding the Fourth Proportional to 904,286.48, 1,247,870.22 and 522,290.48

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Solution

The fourth proportional to 904,286.48, 1,247,870.22 and 522,290.48 is: 720,734.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,286.48 : 1,247,870.22 = 522,290.48 : x
  2. Step 2: Convert to fraction form
    904,286.48/1,247,870.22 = 522,290.48/x
  3. Step 3: Cross multiply
    904,286.48x = 1,247,870.22 × 522,290.48
  4. Step 4: Simplify right side
    904,286.48x = 651,750,736,181.51
  5. Step 5: Solve for x
    x = 651,750,736,181.51/904,286.48
  6. Step 6: Final answer
    x = 720,734.80

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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.