Home / 1,664,120.65-2,296,495.65-929,108.16

Finding the Fourth Proportional to 1,664,120.65, 2,296,495.65 and 929,108.16

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Solution

The fourth proportional to 1,664,120.65, 2,296,495.65 and 929,108.16 is: 1,282,174.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,120.65 : 2,296,495.65 = 929,108.16 : x
  2. Step 2: Convert to fraction form
    1,664,120.65/2,296,495.65 = 929,108.16/x
  3. Step 3: Cross multiply
    1,664,120.65x = 2,296,495.65 × 929,108.16
  4. Step 4: Simplify right side
    1,664,120.65x = 2,133,692,836,337.03
  5. Step 5: Solve for x
    x = 2,133,692,836,337.03/1,664,120.65
  6. Step 6: Final answer
    x = 1,282,174.36

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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.