Home / 407,389.85-562,187.28-226,097.12

Finding the Fourth Proportional to 407,389.85, 562,187.28 and 226,097.12

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Solution

The fourth proportional to 407,389.85, 562,187.28 and 226,097.12 is: 312,008.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,389.85 : 562,187.28 = 226,097.12 : x
  2. Step 2: Convert to fraction form
    407,389.85/562,187.28 = 226,097.12/x
  3. Step 3: Cross multiply
    407,389.85x = 562,187.28 × 226,097.12
  4. Step 4: Simplify right side
    407,389.85x = 127,108,927,161.97
  5. Step 5: Solve for x
    x = 127,108,927,161.97/407,389.85
  6. Step 6: Final answer
    x = 312,008.08

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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.