Home / 856,424.35-1,284,234.14-496,697.37

Finding the Fourth Proportional to 856,424.35, 1,284,234.14 and 496,697.37

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Solution

The fourth proportional to 856,424.35, 1,284,234.14 and 496,697.37 is: 744,812.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,424.35 : 1,284,234.14 = 496,697.37 : x
  2. Step 2: Convert to fraction form
    856,424.35/1,284,234.14 = 496,697.37/x
  3. Step 3: Cross multiply
    856,424.35x = 1,284,234.14 × 496,697.37
  4. Step 4: Simplify right side
    856,424.35x = 637,875,721,043.96
  5. Step 5: Solve for x
    x = 637,875,721,043.96/856,424.35
  6. Step 6: Final answer
    x = 744,812.69

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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.