Home / 628,895.63-943,491.06-208,171.50

Finding the Fourth Proportional to 628,895.63, 943,491.06 and 208,171.50

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Solution

The fourth proportional to 628,895.63, 943,491.06 and 208,171.50 is: 312,306.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,895.63 : 943,491.06 = 208,171.50 : x
  2. Step 2: Convert to fraction form
    628,895.63/943,491.06 = 208,171.50/x
  3. Step 3: Cross multiply
    628,895.63x = 943,491.06 × 208,171.50
  4. Step 4: Simplify right side
    628,895.63x = 196,407,949,196.79
  5. Step 5: Solve for x
    x = 196,407,949,196.79/628,895.63
  6. Step 6: Final answer
    x = 312,306.11

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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.