Home / 657,684.10-986,650.54-208,518.04

Finding the Fourth Proportional to 657,684.10, 986,650.54 and 208,518.04

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Solution

The fourth proportional to 657,684.10, 986,650.54 and 208,518.04 is: 312,816.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,684.10 : 986,650.54 = 208,518.04 : x
  2. Step 2: Convert to fraction form
    657,684.10/986,650.54 = 208,518.04/x
  3. Step 3: Cross multiply
    657,684.10x = 986,650.54 × 208,518.04
  4. Step 4: Simplify right side
    657,684.10x = 205,734,436,765.74
  5. Step 5: Solve for x
    x = 205,734,436,765.74/657,684.10
  6. Step 6: Final answer
    x = 312,816.50

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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.