Home / 630,265.25-945,253.90-180,982.55

Finding the Fourth Proportional to 630,265.25, 945,253.90 and 180,982.55

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Solution

The fourth proportional to 630,265.25, 945,253.90 and 180,982.55 is: 271,432.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,265.25 : 945,253.90 = 180,982.55 : x
  2. Step 2: Convert to fraction form
    630,265.25/945,253.90 = 180,982.55/x
  3. Step 3: Cross multiply
    630,265.25x = 945,253.90 × 180,982.55
  4. Step 4: Simplify right side
    630,265.25x = 171,074,463,808.81
  5. Step 5: Solve for x
    x = 171,074,463,808.81/630,265.25
  6. Step 6: Final answer
    x = 271,432.49

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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.