Home / 1,776,641.88-2,666,143.80-830,086.41

Finding the Fourth Proportional to 1,776,641.88, 2,666,143.80 and 830,086.41

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Solution

The fourth proportional to 1,776,641.88, 2,666,143.80 and 830,086.41 is: 1,245,681.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,641.88 : 2,666,143.80 = 830,086.41 : x
  2. Step 2: Convert to fraction form
    1,776,641.88/2,666,143.80 = 830,086.41/x
  3. Step 3: Cross multiply
    1,776,641.88x = 2,666,143.80 × 830,086.41
  4. Step 4: Simplify right side
    1,776,641.88x = 2,213,129,735,485.76
  5. Step 5: Solve for x
    x = 2,213,129,735,485.76/1,776,641.88
  6. Step 6: Final answer
    x = 1,245,681.39

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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.