Home / 1,302,740.37-1,951,223.34-1,000,999.89

Finding the Fourth Proportional to 1,302,740.37, 1,951,223.34 and 1,000,999.89

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Solution

The fourth proportional to 1,302,740.37, 1,951,223.34 and 1,000,999.89 is: 1,499,281.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,740.37 : 1,951,223.34 = 1,000,999.89 : x
  2. Step 2: Convert to fraction form
    1,302,740.37/1,951,223.34 = 1,000,999.89/x
  3. Step 3: Cross multiply
    1,302,740.37x = 1,951,223.34 × 1,000,999.89
  4. Step 4: Simplify right side
    1,302,740.37x = 1,953,174,348,705.43
  5. Step 5: Solve for x
    x = 1,953,174,348,705.43/1,302,740.37
  6. Step 6: Final answer
    x = 1,499,281.36

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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.