Home / 1,001,851.98-1,382,697.48-620,001.78

Finding the Fourth Proportional to 1,001,851.98, 1,382,697.48 and 620,001.78

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Solution

The fourth proportional to 1,001,851.98, 1,382,697.48 and 620,001.78 is: 855,690.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,851.98 : 1,382,697.48 = 620,001.78 : x
  2. Step 2: Convert to fraction form
    1,001,851.98/1,382,697.48 = 620,001.78/x
  3. Step 3: Cross multiply
    1,001,851.98x = 1,382,697.48 × 620,001.78
  4. Step 4: Simplify right side
    1,001,851.98x = 857,274,898,801.51
  5. Step 5: Solve for x
    x = 857,274,898,801.51/1,001,851.98
  6. Step 6: Final answer
    x = 855,690.18

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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.