Home / 1,237,543.32-1,856,047.68-438,850.92

Finding the Fourth Proportional to 1,237,543.32, 1,856,047.68 and 438,850.92

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Solution

The fourth proportional to 1,237,543.32, 1,856,047.68 and 438,850.92 is: 658,181.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,543.32 : 1,856,047.68 = 438,850.92 : x
  2. Step 2: Convert to fraction form
    1,237,543.32/1,856,047.68 = 438,850.92/x
  3. Step 3: Cross multiply
    1,237,543.32x = 1,856,047.68 × 438,850.92
  4. Step 4: Simplify right side
    1,237,543.32x = 814,528,231,931.87
  5. Step 5: Solve for x
    x = 814,528,231,931.87/1,237,543.32
  6. Step 6: Final answer
    x = 658,181.59

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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.