Home / 1,128,824.17-1,693,219.07-782,287.94

Finding the Fourth Proportional to 1,128,824.17, 1,693,219.07 and 782,287.94

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Solution

The fourth proportional to 1,128,824.17, 1,693,219.07 and 782,287.94 is: 1,173,420.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,824.17 : 1,693,219.07 = 782,287.94 : x
  2. Step 2: Convert to fraction form
    1,128,824.17/1,693,219.07 = 782,287.94/x
  3. Step 3: Cross multiply
    1,128,824.17x = 1,693,219.07 × 782,287.94
  4. Step 4: Simplify right side
    1,128,824.17x = 1,324,584,864,427.78
  5. Step 5: Solve for x
    x = 1,324,584,864,427.78/1,128,824.17
  6. Step 6: Final answer
    x = 1,173,420.01

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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.