Home / 405,270.51-607,407.45-227,403.83

Finding the Fourth Proportional to 405,270.51, 607,407.45 and 227,403.83

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Solution

The fourth proportional to 405,270.51, 607,407.45 and 227,403.83 is: 340,826.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,270.51 : 607,407.45 = 227,403.83 : x
  2. Step 2: Convert to fraction form
    405,270.51/607,407.45 = 227,403.83/x
  3. Step 3: Cross multiply
    405,270.51x = 607,407.45 × 227,403.83
  4. Step 4: Simplify right side
    405,270.51x = 138,126,777,463.50
  5. Step 5: Solve for x
    x = 138,126,777,463.50/405,270.51
  6. Step 6: Final answer
    x = 340,826.12

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1.5x scale

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.