Home / 957,722.39-1,321,617.06-522,130.31

Finding the Fourth Proportional to 957,722.39, 1,321,617.06 and 522,130.31

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Solution

The fourth proportional to 957,722.39, 1,321,617.06 and 522,130.31 is: 720,518.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,722.39 : 1,321,617.06 = 522,130.31 : x
  2. Step 2: Convert to fraction form
    957,722.39/1,321,617.06 = 522,130.31/x
  3. Step 3: Cross multiply
    957,722.39x = 1,321,617.06 × 522,130.31
  4. Step 4: Simplify right side
    957,722.39x = 690,056,318,631.00
  5. Step 5: Solve for x
    x = 690,056,318,631.00/957,722.39
  6. Step 6: Final answer
    x = 720,518.11

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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.