Home / 1,117,528.43-1,542,017.72-627,523.25

Finding the Fourth Proportional to 1,117,528.43, 1,542,017.72 and 627,523.25

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Solution

The fourth proportional to 1,117,528.43, 1,542,017.72 and 627,523.25 is: 865,885.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,528.43 : 1,542,017.72 = 627,523.25 : x
  2. Step 2: Convert to fraction form
    1,117,528.43/1,542,017.72 = 627,523.25/x
  3. Step 3: Cross multiply
    1,117,528.43x = 1,542,017.72 × 627,523.25
  4. Step 4: Simplify right side
    1,117,528.43x = 967,651,968,074.37
  5. Step 5: Solve for x
    x = 967,651,968,074.37/1,117,528.43
  6. Step 6: Final answer
    x = 865,885.77

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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.