Home / 567,890.40-851,835.60-515,402.40

Finding the Fourth Proportional to 567,890.40, 851,835.60 and 515,402.40

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Solution

The fourth proportional to 567,890.40, 851,835.60 and 515,402.40 is: 773,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,890.40 : 851,835.60 = 515,402.40 : x
  2. Step 2: Convert to fraction form
    567,890.40/851,835.60 = 515,402.40/x
  3. Step 3: Cross multiply
    567,890.40x = 851,835.60 × 515,402.40
  4. Step 4: Simplify right side
    567,890.40x = 439,038,112,645.44
  5. Step 5: Solve for x
    x = 439,038,112,645.44/567,890.40
  6. Step 6: Final answer
    x = 773,103.60

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Similar ratio
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1.5x scale

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.