Home / 447,208.08-617,057.64-256,281.36

Finding the Fourth Proportional to 447,208.08, 617,057.64 and 256,281.36

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Solution

The fourth proportional to 447,208.08, 617,057.64 and 256,281.36 is: 353,616.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,208.08 : 617,057.64 = 256,281.36 : x
  2. Step 2: Convert to fraction form
    447,208.08/617,057.64 = 256,281.36/x
  3. Step 3: Cross multiply
    447,208.08x = 617,057.64 × 256,281.36
  4. Step 4: Simplify right side
    447,208.08x = 158,140,371,177.59
  5. Step 5: Solve for x
    x = 158,140,371,177.59/447,208.08
  6. Step 6: Final answer
    x = 353,616.98

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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.