Home / 407,287.17-562,065.28-225,993.38

Finding the Fourth Proportional to 407,287.17, 562,065.28 and 225,993.38

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Solution

The fourth proportional to 407,287.17, 562,065.28 and 225,993.38 is: 311,875.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,287.17 : 562,065.28 = 225,993.38 : x
  2. Step 2: Convert to fraction form
    407,287.17/562,065.28 = 225,993.38/x
  3. Step 3: Cross multiply
    407,287.17x = 562,065.28 × 225,993.38
  4. Step 4: Simplify right side
    407,287.17x = 127,023,029,032.54
  5. Step 5: Solve for x
    x = 127,023,029,032.54/407,287.17
  6. Step 6: Final answer
    x = 311,875.84

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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.