Home / 939,618.01-1,296,676.26-509,898.04

Finding the Fourth Proportional to 939,618.01, 1,296,676.26 and 509,898.04

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Solution

The fourth proportional to 939,618.01, 1,296,676.26 and 509,898.04 is: 703,661.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,618.01 : 1,296,676.26 = 509,898.04 : x
  2. Step 2: Convert to fraction form
    939,618.01/1,296,676.26 = 509,898.04/x
  3. Step 3: Cross multiply
    939,618.01x = 1,296,676.26 × 509,898.04
  4. Step 4: Simplify right side
    939,618.01x = 661,172,683,488.53
  5. Step 5: Solve for x
    x = 661,172,683,488.53/939,618.01
  6. Step 6: Final answer
    x = 703,661.14

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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.