Home / 1,293,069.11-1,784,307.63-720,162.59

Finding the Fourth Proportional to 1,293,069.11, 1,784,307.63 and 720,162.59

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Solution

The fourth proportional to 1,293,069.11, 1,784,307.63 and 720,162.59 is: 993,753.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,069.11 : 1,784,307.63 = 720,162.59 : x
  2. Step 2: Convert to fraction form
    1,293,069.11/1,784,307.63 = 720,162.59/x
  3. Step 3: Cross multiply
    1,293,069.11x = 1,784,307.63 × 720,162.59
  4. Step 4: Simplify right side
    1,293,069.11x = 1,284,991,595,256.02
  5. Step 5: Solve for x
    x = 1,284,991,595,256.02/1,293,069.11
  6. Step 6: Final answer
    x = 993,753.23

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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.