Home / 938,465.10-1,407,697.65-539,884.35

Finding the Fourth Proportional to 938,465.10, 1,407,697.65 and 539,884.35

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Solution

The fourth proportional to 938,465.10, 1,407,697.65 and 539,884.35 is: 809,826.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,465.10 : 1,407,697.65 = 539,884.35 : x
  2. Step 2: Convert to fraction form
    938,465.10/1,407,697.65 = 539,884.35/x
  3. Step 3: Cross multiply
    938,465.10x = 1,407,697.65 × 539,884.35
  4. Step 4: Simplify right side
    938,465.10x = 759,993,930,766.78
  5. Step 5: Solve for x
    x = 759,993,930,766.78/938,465.10
  6. Step 6: Final answer
    x = 809,826.53

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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.