Home / 668,211.57-1,002,235.95-194,897.39

Finding the Fourth Proportional to 668,211.57, 1,002,235.95 and 194,897.39

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Solution

The fourth proportional to 668,211.57, 1,002,235.95 and 194,897.39 is: 292,322.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,211.57 : 1,002,235.95 = 194,897.39 : x
  2. Step 2: Convert to fraction form
    668,211.57/1,002,235.95 = 194,897.39/x
  3. Step 3: Cross multiply
    668,211.57x = 1,002,235.95 × 194,897.39
  4. Step 4: Simplify right side
    668,211.57x = 195,333,165,807.99
  5. Step 5: Solve for x
    x = 195,333,165,807.99/668,211.57
  6. Step 6: Final answer
    x = 292,322.33

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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.