Home / 1,173,522.78-1,760,284.20-640,753.18

Finding the Fourth Proportional to 1,173,522.78, 1,760,284.20 and 640,753.18

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Solution

The fourth proportional to 1,173,522.78, 1,760,284.20 and 640,753.18 is: 961,129.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,522.78 : 1,760,284.20 = 640,753.18 : x
  2. Step 2: Convert to fraction form
    1,173,522.78/1,760,284.20 = 640,753.18/x
  3. Step 3: Cross multiply
    1,173,522.78x = 1,760,284.20 × 640,753.18
  4. Step 4: Simplify right side
    1,173,522.78x = 1,127,907,698,853.76
  5. Step 5: Solve for x
    x = 1,127,907,698,853.76/1,173,522.78
  6. Step 6: Final answer
    x = 961,129.79

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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.