Home / 1,036,257.80-1,429,978.70-571,020.05

Finding the Fourth Proportional to 1,036,257.80, 1,429,978.70 and 571,020.05

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Solution

The fourth proportional to 1,036,257.80, 1,429,978.70 and 571,020.05 is: 787,976.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,257.80 : 1,429,978.70 = 571,020.05 : x
  2. Step 2: Convert to fraction form
    1,036,257.80/1,429,978.70 = 571,020.05/x
  3. Step 3: Cross multiply
    1,036,257.80x = 1,429,978.70 × 571,020.05
  4. Step 4: Simplify right side
    1,036,257.80x = 816,546,498,767.94
  5. Step 5: Solve for x
    x = 816,546,498,767.94/1,036,257.80
  6. Step 6: Final answer
    x = 787,976.22

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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.