Home / 651,408.69-977,125.23-202,144.20

Finding the Fourth Proportional to 651,408.69, 977,125.23 and 202,144.20

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Solution

The fourth proportional to 651,408.69, 977,125.23 and 202,144.20 is: 303,220.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,408.69 : 977,125.23 = 202,144.20 : x
  2. Step 2: Convert to fraction form
    651,408.69/977,125.23 = 202,144.20/x
  3. Step 3: Cross multiply
    651,408.69x = 977,125.23 × 202,144.20
  4. Step 4: Simplify right side
    651,408.69x = 197,520,197,918.17
  5. Step 5: Solve for x
    x = 197,520,197,918.17/651,408.69
  6. Step 6: Final answer
    x = 303,220.08

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Double scale
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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.