Home / 1,066,038.37-1,599,223.72-639,473.93

Finding the Fourth Proportional to 1,066,038.37, 1,599,223.72 and 639,473.93

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Solution

The fourth proportional to 1,066,038.37, 1,599,223.72 and 639,473.93 is: 959,310.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,038.37 : 1,599,223.72 = 639,473.93 : x
  2. Step 2: Convert to fraction form
    1,066,038.37/1,599,223.72 = 639,473.93/x
  3. Step 3: Cross multiply
    1,066,038.37x = 1,599,223.72 × 639,473.93
  4. Step 4: Simplify right side
    1,066,038.37x = 1,022,661,877,177.62
  5. Step 5: Solve for x
    x = 1,022,661,877,177.62/1,066,038.37
  6. Step 6: Final answer
    x = 959,310.57

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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.