Home / 1,666,396.80-2,298,196.80-1,303,257.60

Finding the Fourth Proportional to 1,666,396.80, 2,298,196.80 and 1,303,257.60

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Solution

The fourth proportional to 1,666,396.80, 2,298,196.80 and 1,303,257.60 is: 1,797,376.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,396.80 : 2,298,196.80 = 1,303,257.60 : x
  2. Step 2: Convert to fraction form
    1,666,396.80/2,298,196.80 = 1,303,257.60/x
  3. Step 3: Cross multiply
    1,666,396.80x = 2,298,196.80 × 1,303,257.60
  4. Step 4: Simplify right side
    1,666,396.80x = 2,995,142,445,895.68
  5. Step 5: Solve for x
    x = 2,995,142,445,895.68/1,666,396.80
  6. Step 6: Final answer
    x = 1,797,376.50

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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.