Home / 1,382,100.35-2,073,255.48-470,999.66

Finding the Fourth Proportional to 1,382,100.35, 2,073,255.48 and 470,999.66

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Solution

The fourth proportional to 1,382,100.35, 2,073,255.48 and 470,999.66 is: 706,535.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,100.35 : 2,073,255.48 = 470,999.66 : x
  2. Step 2: Convert to fraction form
    1,382,100.35/2,073,255.48 = 470,999.66/x
  3. Step 3: Cross multiply
    1,382,100.35x = 2,073,255.48 × 470,999.66
  4. Step 4: Simplify right side
    1,382,100.35x = 976,502,615,806.86
  5. Step 5: Solve for x
    x = 976,502,615,806.86/1,382,100.35
  6. Step 6: Final answer
    x = 706,535.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.