Home / 404,567.21-558,187.66-243,341.57

Finding the Fourth Proportional to 404,567.21, 558,187.66 and 243,341.57

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Solution

The fourth proportional to 404,567.21, 558,187.66 and 243,341.57 is: 335,742.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,567.21 : 558,187.66 = 243,341.57 : x
  2. Step 2: Convert to fraction form
    404,567.21/558,187.66 = 243,341.57/x
  3. Step 3: Cross multiply
    404,567.21x = 558,187.66 × 243,341.57
  4. Step 4: Simplify right side
    404,567.21x = 135,830,261,539.03
  5. Step 5: Solve for x
    x = 135,830,261,539.03/404,567.21
  6. Step 6: Final answer
    x = 335,742.14

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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.