Home / 1,153,129.34-1,728,290.28-816,265.46

Finding the Fourth Proportional to 1,153,129.34, 1,728,290.28 and 816,265.46

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Solution

The fourth proportional to 1,153,129.34, 1,728,290.28 and 816,265.46 is: 1,223,404.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,129.34 : 1,728,290.28 = 816,265.46 : x
  2. Step 2: Convert to fraction form
    1,153,129.34/1,728,290.28 = 816,265.46/x
  3. Step 3: Cross multiply
    1,153,129.34x = 1,728,290.28 × 816,265.46
  4. Step 4: Simplify right side
    1,153,129.34x = 1,410,743,660,417.73
  5. Step 5: Solve for x
    x = 1,410,743,660,417.73/1,153,129.34
  6. Step 6: Final answer
    x = 1,223,404.53

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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.