Home / 1,538,784.60-2,308,176.90-830,196.60

Finding the Fourth Proportional to 1,538,784.60, 2,308,176.90 and 830,196.60

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Solution

The fourth proportional to 1,538,784.60, 2,308,176.90 and 830,196.60 is: 1,245,294.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,784.60 : 2,308,176.90 = 830,196.60 : x
  2. Step 2: Convert to fraction form
    1,538,784.60/2,308,176.90 = 830,196.60/x
  3. Step 3: Cross multiply
    1,538,784.60x = 2,308,176.90 × 830,196.60
  4. Step 4: Simplify right side
    1,538,784.60x = 1,916,240,614,578.54
  5. Step 5: Solve for x
    x = 1,916,240,614,578.54/1,538,784.60
  6. Step 6: Final answer
    x = 1,245,294.90

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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.