Home / 826,938.09-1,140,578.15-759,170.25

Finding the Fourth Proportional to 826,938.09, 1,140,578.15 and 759,170.25

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Solution

The fourth proportional to 826,938.09, 1,140,578.15 and 759,170.25 is: 1,047,107.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,938.09 : 1,140,578.15 = 759,170.25 : x
  2. Step 2: Convert to fraction form
    826,938.09/1,140,578.15 = 759,170.25/x
  3. Step 3: Cross multiply
    826,938.09x = 1,140,578.15 × 759,170.25
  4. Step 4: Simplify right side
    826,938.09x = 865,892,995,484.19
  5. Step 5: Solve for x
    x = 865,892,995,484.19/826,938.09
  6. Step 6: Final answer
    x = 1,047,107.40

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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.