Home / 651,629.20-977,443.80-541,404.40

Finding the Fourth Proportional to 651,629.20, 977,443.80 and 541,404.40

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Solution

The fourth proportional to 651,629.20, 977,443.80 and 541,404.40 is: 812,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,629.20 : 977,443.80 = 541,404.40 : x
  2. Step 2: Convert to fraction form
    651,629.20/977,443.80 = 541,404.40/x
  3. Step 3: Cross multiply
    651,629.20x = 977,443.80 × 541,404.40
  4. Step 4: Simplify right side
    651,629.20x = 529,192,374,072.72
  5. Step 5: Solve for x
    x = 529,192,374,072.72/651,629.20
  6. Step 6: Final answer
    x = 812,106.60

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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.