Home / 406,303.38-609,558.75-257,600.34

Finding the Fourth Proportional to 406,303.38, 609,558.75 and 257,600.34

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Solution

The fourth proportional to 406,303.38, 609,558.75 and 257,600.34 is: 386,466.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,303.38 : 609,558.75 = 257,600.34 : x
  2. Step 2: Convert to fraction form
    406,303.38/609,558.75 = 257,600.34/x
  3. Step 3: Cross multiply
    406,303.38x = 609,558.75 × 257,600.34
  4. Step 4: Simplify right side
    406,303.38x = 157,022,541,249.98
  5. Step 5: Solve for x
    x = 157,022,541,249.98/406,303.38
  6. Step 6: Final answer
    x = 386,466.24

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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.