Home / 682,826.28-942,300.37-376,902.75

Finding the Fourth Proportional to 682,826.28, 942,300.37 and 376,902.75

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Solution

The fourth proportional to 682,826.28, 942,300.37 and 376,902.75 is: 520,125.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,826.28 : 942,300.37 = 376,902.75 : x
  2. Step 2: Convert to fraction form
    682,826.28/942,300.37 = 376,902.75/x
  3. Step 3: Cross multiply
    682,826.28x = 942,300.37 × 376,902.75
  4. Step 4: Simplify right side
    682,826.28x = 355,155,600,779.02
  5. Step 5: Solve for x
    x = 355,155,600,779.02/682,826.28
  6. Step 6: Final answer
    x = 520,125.85

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Double scale
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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.