Home / 374,401.32-516,666.20-204,636.66

Finding the Fourth Proportional to 374,401.32, 516,666.20 and 204,636.66

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Solution

The fourth proportional to 374,401.32, 516,666.20 and 204,636.66 is: 282,394.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,401.32 : 516,666.20 = 204,636.66 : x
  2. Step 2: Convert to fraction form
    374,401.32/516,666.20 = 204,636.66/x
  3. Step 3: Cross multiply
    374,401.32x = 516,666.20 × 204,636.66
  4. Step 4: Simplify right side
    374,401.32x = 105,728,845,502.89
  5. Step 5: Solve for x
    x = 105,728,845,502.89/374,401.32
  6. Step 6: Final answer
    x = 282,394.43

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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.