Home / 404,566.21-558,186.28-243,340.57

Finding the Fourth Proportional to 404,566.21, 558,186.28 and 243,340.57

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Solution

The fourth proportional to 404,566.21, 558,186.28 and 243,340.57 is: 335,740.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,566.21 : 558,186.28 = 243,340.57 : x
  2. Step 2: Convert to fraction form
    404,566.21/558,186.28 = 243,340.57/x
  3. Step 3: Cross multiply
    404,566.21x = 558,186.28 × 243,340.57
  4. Step 4: Simplify right side
    404,566.21x = 135,829,367,541.38
  5. Step 5: Solve for x
    x = 135,829,367,541.38/404,566.21
  6. Step 6: Final answer
    x = 335,740.76

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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.