Home / 607,900.36-911,869.00-208,535.37

Finding the Fourth Proportional to 607,900.36, 911,869.00 and 208,535.37

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Solution

The fourth proportional to 607,900.36, 911,869.00 and 208,535.37 is: 312,809.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,900.36 : 911,869.00 = 208,535.37 : x
  2. Step 2: Convert to fraction form
    607,900.36/911,869.00 = 208,535.37/x
  3. Step 3: Cross multiply
    607,900.36x = 911,869.00 × 208,535.37
  4. Step 4: Simplify right side
    607,900.36x = 190,156,933,704.51
  5. Step 5: Solve for x
    x = 190,156,933,704.51/607,900.36
  6. Step 6: Final answer
    x = 312,809.38

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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.