Home / 999,817.63-1,379,714.11-570,236.15

Finding the Fourth Proportional to 999,817.63, 1,379,714.11 and 570,236.15

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Solution

The fourth proportional to 999,817.63, 1,379,714.11 and 570,236.15 is: 786,906.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,817.63 : 1,379,714.11 = 570,236.15 : x
  2. Step 2: Convert to fraction form
    999,817.63/1,379,714.11 = 570,236.15/x
  3. Step 3: Cross multiply
    999,817.63x = 1,379,714.11 × 570,236.15
  4. Step 4: Simplify right side
    999,817.63x = 786,762,864,210.77
  5. Step 5: Solve for x
    x = 786,762,864,210.77/999,817.63
  6. Step 6: Final answer
    x = 786,906.37

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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.