Home / 406,247.80-609,428.40-169,536.22

Finding the Fourth Proportional to 406,247.80, 609,428.40 and 169,536.22

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Solution

The fourth proportional to 406,247.80, 609,428.40 and 169,536.22 is: 254,327.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,247.80 : 609,428.40 = 169,536.22 : x
  2. Step 2: Convert to fraction form
    406,247.80/609,428.40 = 169,536.22/x
  3. Step 3: Cross multiply
    406,247.80x = 609,428.40 × 169,536.22
  4. Step 4: Simplify right side
    406,247.80x = 103,320,187,296.65
  5. Step 5: Solve for x
    x = 103,320,187,296.65/406,247.80
  6. Step 6: Final answer
    x = 254,327.99

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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.