Home / 1,776,639.88-2,666,140.80-830,084.41

Finding the Fourth Proportional to 1,776,639.88, 2,666,140.80 and 830,084.41

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Solution

The fourth proportional to 1,776,639.88, 2,666,140.80 and 830,084.41 is: 1,245,678.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,639.88 : 2,666,140.80 = 830,084.41 : x
  2. Step 2: Convert to fraction form
    1,776,639.88/2,666,140.80 = 830,084.41/x
  3. Step 3: Cross multiply
    1,776,639.88x = 2,666,140.80 × 830,084.41
  4. Step 4: Simplify right side
    1,776,639.88x = 2,213,121,912,944.93
  5. Step 5: Solve for x
    x = 2,213,121,912,944.93/1,776,639.88
  6. Step 6: Final answer
    x = 1,245,678.39

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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.