Home / 1,538,998.71-2,308,746.12-474,040.27

Finding the Fourth Proportional to 1,538,998.71, 2,308,746.12 and 474,040.27

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Solution

The fourth proportional to 1,538,998.71, 2,308,746.12 and 474,040.27 is: 711,136.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,998.71 : 2,308,746.12 = 474,040.27 : x
  2. Step 2: Convert to fraction form
    1,538,998.71/2,308,746.12 = 474,040.27/x
  3. Step 3: Cross multiply
    1,538,998.71x = 2,308,746.12 × 474,040.27
  4. Step 4: Simplify right side
    1,538,998.71x = 1,094,438,634,086.25
  5. Step 5: Solve for x
    x = 1,094,438,634,086.25/1,538,998.71
  6. Step 6: Final answer
    x = 711,136.81

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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.