Home / 805,538.70-1,206,925.65-383,906.70

Finding the Fourth Proportional to 805,538.70, 1,206,925.65 and 383,906.70

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Solution

The fourth proportional to 805,538.70, 1,206,925.65 and 383,906.70 is: 575,201.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,538.70 : 1,206,925.65 = 383,906.70 : x
  2. Step 2: Convert to fraction form
    805,538.70/1,206,925.65 = 383,906.70/x
  3. Step 3: Cross multiply
    805,538.70x = 1,206,925.65 × 383,906.70
  4. Step 4: Simplify right side
    805,538.70x = 463,346,843,436.86
  5. Step 5: Solve for x
    x = 463,346,843,436.86/805,538.70
  6. Step 6: Final answer
    x = 575,201.22

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1.5x scale

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.