Home / 447,462.06-617,511.65-253,877.92

Finding the Fourth Proportional to 447,462.06, 617,511.65 and 253,877.92

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Solution

The fourth proportional to 447,462.06, 617,511.65 and 253,877.92 is: 350,359.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,462.06 : 617,511.65 = 253,877.92 : x
  2. Step 2: Convert to fraction form
    447,462.06/617,511.65 = 253,877.92/x
  3. Step 3: Cross multiply
    447,462.06x = 617,511.65 × 253,877.92
  4. Step 4: Simplify right side
    447,462.06x = 156,772,573,938.10
  5. Step 5: Solve for x
    x = 156,772,573,938.10/447,462.06
  6. Step 6: Final answer
    x = 350,359.48

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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.