Home / 668,173.41-1,002,407.54-194,895.81

Finding the Fourth Proportional to 668,173.41, 1,002,407.54 and 194,895.81

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Solution

The fourth proportional to 668,173.41, 1,002,407.54 and 194,895.81 is: 292,386.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,173.41 : 1,002,407.54 = 194,895.81 : x
  2. Step 2: Convert to fraction form
    668,173.41/1,002,407.54 = 194,895.81/x
  3. Step 3: Cross multiply
    668,173.41x = 1,002,407.54 × 194,895.81
  4. Step 4: Simplify right side
    668,173.41x = 195,365,028,483.93
  5. Step 5: Solve for x
    x = 195,365,028,483.93/668,173.41
  6. Step 6: Final answer
    x = 292,386.72

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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.