Home / 407,454.40-562,278.36-226,155.76

Finding the Fourth Proportional to 407,454.40, 562,278.36 and 226,155.76

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Solution

The fourth proportional to 407,454.40, 562,278.36 and 226,155.76 is: 312,090.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,454.40 : 562,278.36 = 226,155.76 : x
  2. Step 2: Convert to fraction form
    407,454.40/562,278.36 = 226,155.76/x
  3. Step 3: Cross multiply
    407,454.40x = 562,278.36 × 226,155.76
  4. Step 4: Simplify right side
    407,454.40x = 127,162,489,837.35
  5. Step 5: Solve for x
    x = 127,162,489,837.35/407,454.40
  6. Step 6: Final answer
    x = 312,090.11

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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.