Home / 1,153,130.34-1,728,291.78-816,266.46

Finding the Fourth Proportional to 1,153,130.34, 1,728,291.78 and 816,266.46

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Solution

The fourth proportional to 1,153,130.34, 1,728,291.78 and 816,266.46 is: 1,223,406.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,130.34 : 1,728,291.78 = 816,266.46 : x
  2. Step 2: Convert to fraction form
    1,153,130.34/1,728,291.78 = 816,266.46/x
  3. Step 3: Cross multiply
    1,153,130.34x = 1,728,291.78 × 816,266.46
  4. Step 4: Simplify right side
    1,153,130.34x = 1,410,746,613,107.70
  5. Step 5: Solve for x
    x = 1,410,746,613,107.70/1,153,130.34
  6. Step 6: Final answer
    x = 1,223,406.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.