Home / 1,253,030.80-1,879,891.80-621,965.20

Finding the Fourth Proportional to 1,253,030.80, 1,879,891.80 and 621,965.20

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Solution

The fourth proportional to 1,253,030.80, 1,879,891.80 and 621,965.20 is: 933,119.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,030.80 : 1,879,891.80 = 621,965.20 : x
  2. Step 2: Convert to fraction form
    1,253,030.80/1,879,891.80 = 621,965.20/x
  3. Step 3: Cross multiply
    1,253,030.80x = 1,879,891.80 × 621,965.20
  4. Step 4: Simplify right side
    1,253,030.80x = 1,169,227,279,365.36
  5. Step 5: Solve for x
    x = 1,169,227,279,365.36/1,253,030.80
  6. Step 6: Final answer
    x = 933,119.35

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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.