Home / 904,942.85-1,248,831.41-497,054.25

Finding the Fourth Proportional to 904,942.85, 1,248,831.41 and 497,054.25

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Solution

The fourth proportional to 904,942.85, 1,248,831.41 and 497,054.25 is: 685,940.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,942.85 : 1,248,831.41 = 497,054.25 : x
  2. Step 2: Convert to fraction form
    904,942.85/1,248,831.41 = 497,054.25/x
  3. Step 3: Cross multiply
    904,942.85x = 1,248,831.41 × 497,054.25
  4. Step 4: Simplify right side
    904,942.85x = 620,736,957,388.72
  5. Step 5: Solve for x
    x = 620,736,957,388.72/904,942.85
  6. Step 6: Final answer
    x = 685,940.51

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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.