Home / 787,008.60-1,180,512.90-534,410.10

Finding the Fourth Proportional to 787,008.60, 1,180,512.90 and 534,410.10

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Solution

The fourth proportional to 787,008.60, 1,180,512.90 and 534,410.10 is: 801,615.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,008.60 : 1,180,512.90 = 534,410.10 : x
  2. Step 2: Convert to fraction form
    787,008.60/1,180,512.90 = 534,410.10/x
  3. Step 3: Cross multiply
    787,008.60x = 1,180,512.90 × 534,410.10
  4. Step 4: Simplify right side
    787,008.60x = 630,878,016,940.29
  5. Step 5: Solve for x
    x = 630,878,016,940.29/787,008.60
  6. Step 6: Final answer
    x = 801,615.15

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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.