Home / 936,916.38-1,292,933.88-507,187.08

Finding the Fourth Proportional to 936,916.38, 1,292,933.88 and 507,187.08

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Solution

The fourth proportional to 936,916.38, 1,292,933.88 and 507,187.08 is: 699,912.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,916.38 : 1,292,933.88 = 507,187.08 : x
  2. Step 2: Convert to fraction form
    936,916.38/1,292,933.88 = 507,187.08/x
  3. Step 3: Cross multiply
    936,916.38x = 1,292,933.88 × 507,187.08
  4. Step 4: Simplify right side
    936,916.38x = 655,759,359,230.27
  5. Step 5: Solve for x
    x = 655,759,359,230.27/936,916.38
  6. Step 6: Final answer
    x = 699,912.36

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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.