Home / 816,132.83-1,125,076.27-570,354.50

Finding the Fourth Proportional to 816,132.83, 1,125,076.27 and 570,354.50

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Solution

The fourth proportional to 816,132.83, 1,125,076.27 and 570,354.50 is: 786,259.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,132.83 : 1,125,076.27 = 570,354.50 : x
  2. Step 2: Convert to fraction form
    816,132.83/1,125,076.27 = 570,354.50/x
  3. Step 3: Cross multiply
    816,132.83x = 1,125,076.27 × 570,354.50
  4. Step 4: Simplify right side
    816,132.83x = 641,692,317,118.97
  5. Step 5: Solve for x
    x = 641,692,317,118.97/816,132.83
  6. Step 6: Final answer
    x = 786,259.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.