Home / 931,269.70-1,284,863.36-543,805.62

Finding the Fourth Proportional to 931,269.70, 1,284,863.36 and 543,805.62

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Solution

The fourth proportional to 931,269.70, 1,284,863.36 and 543,805.62 is: 750,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,269.70 : 1,284,863.36 = 543,805.62 : x
  2. Step 2: Convert to fraction form
    931,269.70/1,284,863.36 = 543,805.62/x
  3. Step 3: Cross multiply
    931,269.70x = 1,284,863.36 × 543,805.62
  4. Step 4: Simplify right side
    931,269.70x = 698,715,916,100.08
  5. Step 5: Solve for x
    x = 698,715,916,100.08/931,269.70
  6. Step 6: Final answer
    x = 750,283.10

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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.