Home / 447,152.31-617,069.75-256,166.46

Finding the Fourth Proportional to 447,152.31, 617,069.75 and 256,166.46

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Solution

The fourth proportional to 447,152.31, 617,069.75 and 256,166.46 is: 353,509.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,152.31 : 617,069.75 = 256,166.46 : x
  2. Step 2: Convert to fraction form
    447,152.31/617,069.75 = 256,166.46/x
  3. Step 3: Cross multiply
    447,152.31x = 617,069.75 × 256,166.46
  4. Step 4: Simplify right side
    447,152.31x = 158,072,572,149.75
  5. Step 5: Solve for x
    x = 158,072,572,149.75/447,152.31
  6. Step 6: Final answer
    x = 353,509.46

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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.