Home / 405,038.13-558,952.61-226,190.13

Finding the Fourth Proportional to 405,038.13, 558,952.61 and 226,190.13

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Solution

The fourth proportional to 405,038.13, 558,952.61 and 226,190.13 is: 312,142.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,038.13 : 558,952.61 = 226,190.13 : x
  2. Step 2: Convert to fraction form
    405,038.13/558,952.61 = 226,190.13/x
  3. Step 3: Cross multiply
    405,038.13x = 558,952.61 × 226,190.13
  4. Step 4: Simplify right side
    405,038.13x = 126,429,563,519.74
  5. Step 5: Solve for x
    x = 126,429,563,519.74/405,038.13
  6. Step 6: Final answer
    x = 312,142.37

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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.