Home / 560,080.20-840,023.10-204,911.40

Finding the Fourth Proportional to 560,080.20, 840,023.10 and 204,911.40

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Solution

The fourth proportional to 560,080.20, 840,023.10 and 204,911.40 is: 307,331.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,080.20 : 840,023.10 = 204,911.40 : x
  2. Step 2: Convert to fraction form
    560,080.20/840,023.10 = 204,911.40/x
  3. Step 3: Cross multiply
    560,080.20x = 840,023.10 × 204,911.40
  4. Step 4: Simplify right side
    560,080.20x = 172,130,309,453.34
  5. Step 5: Solve for x
    x = 172,130,309,453.34/560,080.20
  6. Step 6: Final answer
    x = 307,331.54

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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.