Home / 1,038,965.51-1,433,758.42-580,087.11

Finding the Fourth Proportional to 1,038,965.51, 1,433,758.42 and 580,087.11

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Solution

The fourth proportional to 1,038,965.51, 1,433,758.42 and 580,087.11 is: 800,512.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,965.51 : 1,433,758.42 = 580,087.11 : x
  2. Step 2: Convert to fraction form
    1,038,965.51/1,433,758.42 = 580,087.11/x
  3. Step 3: Cross multiply
    1,038,965.51x = 1,433,758.42 × 580,087.11
  4. Step 4: Simplify right side
    1,038,965.51x = 831,704,778,295.97
  5. Step 5: Solve for x
    x = 831,704,778,295.97/1,038,965.51
  6. Step 6: Final answer
    x = 800,512.40

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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.