Home / 1,117,617.33-1,542,269.05-634,153.62

Finding the Fourth Proportional to 1,117,617.33, 1,542,269.05 and 634,153.62

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Solution

The fourth proportional to 1,117,617.33, 1,542,269.05 and 634,153.62 is: 875,107.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,617.33 : 1,542,269.05 = 634,153.62 : x
  2. Step 2: Convert to fraction form
    1,117,617.33/1,542,269.05 = 634,153.62/x
  3. Step 3: Cross multiply
    1,117,617.33x = 1,542,269.05 × 634,153.62
  4. Step 4: Simplify right side
    1,117,617.33x = 978,035,501,071.46
  5. Step 5: Solve for x
    x = 978,035,501,071.46/1,117,617.33
  6. Step 6: Final answer
    x = 875,107.67

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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.