Home / 783,115.60-1,174,673.40-546,919.60

Finding the Fourth Proportional to 783,115.60, 1,174,673.40 and 546,919.60

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Solution

The fourth proportional to 783,115.60, 1,174,673.40 and 546,919.60 is: 820,379.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,115.60 : 1,174,673.40 = 546,919.60 : x
  2. Step 2: Convert to fraction form
    783,115.60/1,174,673.40 = 546,919.60/x
  3. Step 3: Cross multiply
    783,115.60x = 1,174,673.40 × 546,919.60
  4. Step 4: Simplify right side
    783,115.60x = 642,451,906,058.64
  5. Step 5: Solve for x
    x = 642,451,906,058.64/783,115.60
  6. Step 6: Final answer
    x = 820,379.40

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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.