Home / 1,410,999.85-2,116,495.72-512,437.96

Finding the Fourth Proportional to 1,410,999.85, 2,116,495.72 and 512,437.96

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Solution

The fourth proportional to 1,410,999.85, 2,116,495.72 and 512,437.96 is: 768,655.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,999.85 : 2,116,495.72 = 512,437.96 : x
  2. Step 2: Convert to fraction form
    1,410,999.85/2,116,495.72 = 512,437.96/x
  3. Step 3: Cross multiply
    1,410,999.85x = 2,116,495.72 × 512,437.96
  4. Step 4: Simplify right side
    1,410,999.85x = 1,084,572,735,960.86
  5. Step 5: Solve for x
    x = 1,084,572,735,960.86/1,410,999.85
  6. Step 6: Final answer
    x = 768,655.46

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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.