Home / 1,327,739.05-1,991,605.54-569,088.60

Finding the Fourth Proportional to 1,327,739.05, 1,991,605.54 and 569,088.60

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Solution

The fourth proportional to 1,327,739.05, 1,991,605.54 and 569,088.60 is: 853,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,739.05 : 1,991,605.54 = 569,088.60 : x
  2. Step 2: Convert to fraction form
    1,327,739.05/1,991,605.54 = 569,088.60/x
  3. Step 3: Cross multiply
    1,327,739.05x = 1,991,605.54 × 569,088.60
  4. Step 4: Simplify right side
    1,327,739.05x = 1,133,400,008,510.84
  5. Step 5: Solve for x
    x = 1,133,400,008,510.84/1,327,739.05
  6. Step 6: Final answer
    x = 853,631.60

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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.