Home / 475,479.04-712,795.25-171,805.47

Finding the Fourth Proportional to 475,479.04, 712,795.25 and 171,805.47

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Solution

The fourth proportional to 475,479.04, 712,795.25 and 171,805.47 is: 257,555.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,479.04 : 712,795.25 = 171,805.47 : x
  2. Step 2: Convert to fraction form
    475,479.04/712,795.25 = 171,805.47/x
  3. Step 3: Cross multiply
    475,479.04x = 712,795.25 × 171,805.47
  4. Step 4: Simplify right side
    475,479.04x = 122,462,118,517.01
  5. Step 5: Solve for x
    x = 122,462,118,517.01/475,479.04
  6. Step 6: Final answer
    x = 257,555.24

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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.