Home / 874,904.22-1,207,367.55-472,496.22

Finding the Fourth Proportional to 874,904.22, 1,207,367.55 and 472,496.22

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Solution

The fourth proportional to 874,904.22, 1,207,367.55 and 472,496.22 is: 652,044.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,904.22 : 1,207,367.55 = 472,496.22 : x
  2. Step 2: Convert to fraction form
    874,904.22/1,207,367.55 = 472,496.22/x
  3. Step 3: Cross multiply
    874,904.22x = 1,207,367.55 × 472,496.22
  4. Step 4: Simplify right side
    874,904.22x = 570,476,603,525.66
  5. Step 5: Solve for x
    x = 570,476,603,525.66/874,904.22
  6. Step 6: Final answer
    x = 652,044.64

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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.