Home / 406,521.23-609,923.34-181,905.39

Finding the Fourth Proportional to 406,521.23, 609,923.34 and 181,905.39

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Solution

The fourth proportional to 406,521.23, 609,923.34 and 181,905.39 is: 272,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,521.23 : 609,923.34 = 181,905.39 : x
  2. Step 2: Convert to fraction form
    406,521.23/609,923.34 = 181,905.39/x
  3. Step 3: Cross multiply
    406,521.23x = 609,923.34 × 181,905.39
  4. Step 4: Simplify right side
    406,521.23x = 110,948,343,032.80
  5. Step 5: Solve for x
    x = 110,948,343,032.80/406,521.23
  6. Step 6: Final answer
    x = 272,921.40

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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.