Home / 651,627.20-977,440.80-541,402.40

Finding the Fourth Proportional to 651,627.20, 977,440.80 and 541,402.40

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Solution

The fourth proportional to 651,627.20, 977,440.80 and 541,402.40 is: 812,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,627.20 : 977,440.80 = 541,402.40 : x
  2. Step 2: Convert to fraction form
    651,627.20/977,440.80 = 541,402.40/x
  3. Step 3: Cross multiply
    651,627.20x = 977,440.80 × 541,402.40
  4. Step 4: Simplify right side
    651,627.20x = 529,188,794,977.92
  5. Step 5: Solve for x
    x = 529,188,794,977.92/651,627.20
  6. Step 6: Final answer
    x = 812,103.60

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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.