Home / 447,350.38-617,140.09-265,959.39

Finding the Fourth Proportional to 447,350.38, 617,140.09 and 265,959.39

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Solution

The fourth proportional to 447,350.38, 617,140.09 and 265,959.39 is: 366,903.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,350.38 : 617,140.09 = 265,959.39 : x
  2. Step 2: Convert to fraction form
    447,350.38/617,140.09 = 265,959.39/x
  3. Step 3: Cross multiply
    447,350.38x = 617,140.09 × 265,959.39
  4. Step 4: Simplify right side
    447,350.38x = 164,134,201,880.95
  5. Step 5: Solve for x
    x = 164,134,201,880.95/447,350.38
  6. Step 6: Final answer
    x = 366,903.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.