Home / 1,170,538.64-1,755,948.52-412,223.27

Finding the Fourth Proportional to 1,170,538.64, 1,755,948.52 and 412,223.27

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Solution

The fourth proportional to 1,170,538.64, 1,755,948.52 and 412,223.27 is: 618,384.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,538.64 : 1,755,948.52 = 412,223.27 : x
  2. Step 2: Convert to fraction form
    1,170,538.64/1,755,948.52 = 412,223.27/x
  3. Step 3: Cross multiply
    1,170,538.64x = 1,755,948.52 × 412,223.27
  4. Step 4: Simplify right side
    1,170,538.64x = 723,842,840,866.06
  5. Step 5: Solve for x
    x = 723,842,840,866.06/1,170,538.64
  6. Step 6: Final answer
    x = 618,384.41

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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.