Home / 374,306.33-516,634.74-313,781.11

Finding the Fourth Proportional to 374,306.33, 516,634.74 and 313,781.11

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Solution

The fourth proportional to 374,306.33, 516,634.74 and 313,781.11 is: 433,095.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,306.33 : 516,634.74 = 313,781.11 : x
  2. Step 2: Convert to fraction form
    374,306.33/516,634.74 = 313,781.11/x
  3. Step 3: Cross multiply
    374,306.33x = 516,634.74 × 313,781.11
  4. Step 4: Simplify right side
    374,306.33x = 162,110,220,890.18
  5. Step 5: Solve for x
    x = 162,110,220,890.18/374,306.33
  6. Step 6: Final answer
    x = 433,095.05

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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.