Home / 651,604.20-977,406.30-541,379.40

Finding the Fourth Proportional to 651,604.20, 977,406.30 and 541,379.40

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Solution

The fourth proportional to 651,604.20, 977,406.30 and 541,379.40 is: 812,069.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,604.20 : 977,406.30 = 541,379.40 : x
  2. Step 2: Convert to fraction form
    651,604.20/977,406.30 = 541,379.40/x
  3. Step 3: Cross multiply
    651,604.20x = 977,406.30 × 541,379.40
  4. Step 4: Simplify right side
    651,604.20x = 529,147,636,250.22
  5. Step 5: Solve for x
    x = 529,147,636,250.22/651,604.20
  6. Step 6: Final answer
    x = 812,069.10

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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.