Home / 939,833.89-1,296,972.25-510,114.20

Finding the Fourth Proportional to 939,833.89, 1,296,972.25 and 510,114.20

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Solution

The fourth proportional to 939,833.89, 1,296,972.25 and 510,114.20 is: 703,958.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,833.89 : 1,296,972.25 = 510,114.20 : x
  2. Step 2: Convert to fraction form
    939,833.89/1,296,972.25 = 510,114.20/x
  3. Step 3: Cross multiply
    939,833.89x = 1,296,972.25 × 510,114.20
  4. Step 4: Simplify right side
    939,833.89x = 661,603,953,970.80
  5. Step 5: Solve for x
    x = 661,603,953,970.80/939,833.89
  6. Step 6: Final answer
    x = 703,958.39

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1.5x scale

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.