Home / 1,299,475.86-1,947,511.45-624,213.64

Finding the Fourth Proportional to 1,299,475.86, 1,947,511.45 and 624,213.64

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Solution

The fourth proportional to 1,299,475.86, 1,947,511.45 and 624,213.64 is: 935,502.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,475.86 : 1,947,511.45 = 624,213.64 : x
  2. Step 2: Convert to fraction form
    1,299,475.86/1,947,511.45 = 624,213.64/x
  3. Step 3: Cross multiply
    1,299,475.86x = 1,947,511.45 × 624,213.64
  4. Step 4: Simplify right side
    1,299,475.86x = 1,215,663,214,360.83
  5. Step 5: Solve for x
    x = 1,215,663,214,360.83/1,299,475.86
  6. Step 6: Final answer
    x = 935,502.73

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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.