Home / 1,076,468.48-1,485,487.68-623,672

Finding the Fourth Proportional to 1,076,468.48, 1,485,487.68 and 623,672

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Solution

The fourth proportional to 1,076,468.48, 1,485,487.68 and 623,672 is: 860,644.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,468.48 : 1,485,487.68 = 623,672 : x
  2. Step 2: Convert to fraction form
    1,076,468.48/1,485,487.68 = 623,672/x
  3. Step 3: Cross multiply
    1,076,468.48x = 1,485,487.68 × 623,672
  4. Step 4: Simplify right side
    1,076,468.48x = 926,457,072,360.96
  5. Step 5: Solve for x
    x = 926,457,072,360.96/1,076,468.48
  6. Step 6: Final answer
    x = 860,644.87

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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.