Home / 1,448,032.90-1,991,199.36-1,256,714.14

Finding the Fourth Proportional to 1,448,032.90, 1,991,199.36 and 1,256,714.14

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Solution

The fourth proportional to 1,448,032.90, 1,991,199.36 and 1,256,714.14 is: 1,728,115.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,032.90 : 1,991,199.36 = 1,256,714.14 : x
  2. Step 2: Convert to fraction form
    1,448,032.90/1,991,199.36 = 1,256,714.14/x
  3. Step 3: Cross multiply
    1,448,032.90x = 1,991,199.36 × 1,256,714.14
  4. Step 4: Simplify right side
    1,448,032.90x = 2,502,368,391,270.95
  5. Step 5: Solve for x
    x = 2,502,368,391,270.95/1,448,032.90
  6. Step 6: Final answer
    x = 1,728,115.70

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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.