Home / 1,001,837-1,382,676.84-619,986.80

Finding the Fourth Proportional to 1,001,837, 1,382,676.84 and 619,986.80

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Solution

The fourth proportional to 1,001,837, 1,382,676.84 and 619,986.80 is: 855,669.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,837 : 1,382,676.84 = 619,986.80 : x
  2. Step 2: Convert to fraction form
    1,001,837/1,382,676.84 = 619,986.80/x
  3. Step 3: Cross multiply
    1,001,837x = 1,382,676.84 × 619,986.80
  4. Step 4: Simplify right side
    1,001,837x = 857,241,389,465.71
  5. Step 5: Solve for x
    x = 857,241,389,465.71/1,001,837
  6. Step 6: Final answer
    x = 855,669.52

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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.