Home / 1,538,642.88-2,308,035.60-473,732.64

Finding the Fourth Proportional to 1,538,642.88, 2,308,035.60 and 473,732.64

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Solution

The fourth proportional to 1,538,642.88, 2,308,035.60 and 473,732.64 is: 710,620.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,642.88 : 2,308,035.60 = 473,732.64 : x
  2. Step 2: Convert to fraction form
    1,538,642.88/2,308,035.60 = 473,732.64/x
  3. Step 3: Cross multiply
    1,538,642.88x = 2,308,035.60 × 473,732.64
  4. Step 4: Simplify right side
    1,538,642.88x = 1,093,391,798,001.98
  5. Step 5: Solve for x
    x = 1,093,391,798,001.98/1,538,642.88
  6. Step 6: Final answer
    x = 710,620.91

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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.