Home / 340,400.10-509,984.19-245,114.40

Finding the Fourth Proportional to 340,400.10, 509,984.19 and 245,114.40

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Solution

The fourth proportional to 340,400.10, 509,984.19 and 245,114.40 is: 367,228.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,400.10 : 509,984.19 = 245,114.40 : x
  2. Step 2: Convert to fraction form
    340,400.10/509,984.19 = 245,114.40/x
  3. Step 3: Cross multiply
    340,400.10x = 509,984.19 × 245,114.40
  4. Step 4: Simplify right side
    340,400.10x = 125,004,468,741.34
  5. Step 5: Solve for x
    x = 125,004,468,741.34/340,400.10
  6. Step 6: Final answer
    x = 367,228.06

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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.