Home / 1,008,540.56-1,391,783.16-555,831.44

Finding the Fourth Proportional to 1,008,540.56, 1,391,783.16 and 555,831.44

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Solution

The fourth proportional to 1,008,540.56, 1,391,783.16 and 555,831.44 is: 767,045.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,540.56 : 1,391,783.16 = 555,831.44 : x
  2. Step 2: Convert to fraction form
    1,008,540.56/1,391,783.16 = 555,831.44/x
  3. Step 3: Cross multiply
    1,008,540.56x = 1,391,783.16 × 555,831.44
  4. Step 4: Simplify right side
    1,008,540.56x = 773,596,837,990.55
  5. Step 5: Solve for x
    x = 773,596,837,990.55/1,008,540.56
  6. Step 6: Final answer
    x = 767,045.84

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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.