Home / 1,174,898.64-1,621,440.32-665,605.20

Finding the Fourth Proportional to 1,174,898.64, 1,621,440.32 and 665,605.20

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Solution

The fourth proportional to 1,174,898.64, 1,621,440.32 and 665,605.20 is: 918,580.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,898.64 : 1,621,440.32 = 665,605.20 : x
  2. Step 2: Convert to fraction form
    1,174,898.64/1,621,440.32 = 665,605.20/x
  3. Step 3: Cross multiply
    1,174,898.64x = 1,621,440.32 × 665,605.20
  4. Step 4: Simplify right side
    1,174,898.64x = 1,079,239,108,481.66
  5. Step 5: Solve for x
    x = 1,079,239,108,481.66/1,174,898.64
  6. Step 6: Final answer
    x = 918,580.61

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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.