Home / 939,795.86-1,296,919.52-510,076.04

Finding the Fourth Proportional to 939,795.86, 1,296,919.52 and 510,076.04

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Solution

The fourth proportional to 939,795.86, 1,296,919.52 and 510,076.04 is: 703,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,795.86 : 1,296,919.52 = 510,076.04 : x
  2. Step 2: Convert to fraction form
    939,795.86/1,296,919.52 = 510,076.04/x
  3. Step 3: Cross multiply
    939,795.86x = 1,296,919.52 × 510,076.04
  4. Step 4: Simplify right side
    939,795.86x = 661,527,572,960.30
  5. Step 5: Solve for x
    x = 661,527,572,960.30/939,795.86
  6. Step 6: Final answer
    x = 703,905.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.