Home / 683,859.36-943,856.25-450,877.20

Finding the Fourth Proportional to 683,859.36, 943,856.25 and 450,877.20

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Solution

The fourth proportional to 683,859.36, 943,856.25 and 450,877.20 is: 622,296.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,859.36 : 943,856.25 = 450,877.20 : x
  2. Step 2: Convert to fraction form
    683,859.36/943,856.25 = 450,877.20/x
  3. Step 3: Cross multiply
    683,859.36x = 943,856.25 × 450,877.20
  4. Step 4: Simplify right side
    683,859.36x = 425,563,263,202.50
  5. Step 5: Solve for x
    x = 425,563,263,202.50/683,859.36
  6. Step 6: Final answer
    x = 622,296.47

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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.