Home / 407,430.29-562,249.31-226,143.79

Finding the Fourth Proportional to 407,430.29, 562,249.31 and 226,143.79

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Solution

The fourth proportional to 407,430.29, 562,249.31 and 226,143.79 is: 312,075.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,430.29 : 562,249.31 = 226,143.79 : x
  2. Step 2: Convert to fraction form
    407,430.29/562,249.31 = 226,143.79/x
  3. Step 3: Cross multiply
    407,430.29x = 562,249.31 × 226,143.79
  4. Step 4: Simplify right side
    407,430.29x = 127,149,189,888.29
  5. Step 5: Solve for x
    x = 127,149,189,888.29/407,430.29
  6. Step 6: Final answer
    x = 312,075.94

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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.