Home / 756,209.17-1,043,519.99-450,308.01

Finding the Fourth Proportional to 756,209.17, 1,043,519.99 and 450,308.01

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Solution

The fourth proportional to 756,209.17, 1,043,519.99 and 450,308.01 is: 621,396.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,209.17 : 1,043,519.99 = 450,308.01 : x
  2. Step 2: Convert to fraction form
    756,209.17/1,043,519.99 = 450,308.01/x
  3. Step 3: Cross multiply
    756,209.17x = 1,043,519.99 × 450,308.01
  4. Step 4: Simplify right side
    756,209.17x = 469,905,407,150.47
  5. Step 5: Solve for x
    x = 469,905,407,150.47/756,209.17
  6. Step 6: Final answer
    x = 621,396.07

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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.