Home / 651,630.20-977,445.30-541,405.40

Finding the Fourth Proportional to 651,630.20, 977,445.30 and 541,405.40

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Solution

The fourth proportional to 651,630.20, 977,445.30 and 541,405.40 is: 812,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,630.20 : 977,445.30 = 541,405.40 : x
  2. Step 2: Convert to fraction form
    651,630.20/977,445.30 = 541,405.40/x
  3. Step 3: Cross multiply
    651,630.20x = 977,445.30 × 541,405.40
  4. Step 4: Simplify right side
    651,630.20x = 529,194,163,624.62
  5. Step 5: Solve for x
    x = 529,194,163,624.62/651,630.20
  6. Step 6: Final answer
    x = 812,108.10

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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.