Home / 1,117,624.98-1,542,279.61-634,161.30

Finding the Fourth Proportional to 1,117,624.98, 1,542,279.61 and 634,161.30

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Solution

The fourth proportional to 1,117,624.98, 1,542,279.61 and 634,161.30 is: 875,118.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,624.98 : 1,542,279.61 = 634,161.30 : x
  2. Step 2: Convert to fraction form
    1,117,624.98/1,542,279.61 = 634,161.30/x
  3. Step 3: Cross multiply
    1,117,624.98x = 1,542,279.61 × 634,161.30
  4. Step 4: Simplify right side
    1,117,624.98x = 978,054,034,729.70
  5. Step 5: Solve for x
    x = 978,054,034,729.70/1,117,624.98
  6. Step 6: Final answer
    x = 875,118.27

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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.