Home / 682,545.15-942,099.66-396,157.50

Finding the Fourth Proportional to 682,545.15, 942,099.66 and 396,157.50

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Solution

The fourth proportional to 682,545.15, 942,099.66 and 396,157.50 is: 546,806.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,545.15 : 942,099.66 = 396,157.50 : x
  2. Step 2: Convert to fraction form
    682,545.15/942,099.66 = 396,157.50/x
  3. Step 3: Cross multiply
    682,545.15x = 942,099.66 × 396,157.50
  4. Step 4: Simplify right side
    682,545.15x = 373,219,846,056.45
  5. Step 5: Solve for x
    x = 373,219,846,056.45/682,545.15
  6. Step 6: Final answer
    x = 546,806.09

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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.