Home / 939,781.24-1,296,885.53-510,057.61

Finding the Fourth Proportional to 939,781.24, 1,296,885.53 and 510,057.61

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Solution

The fourth proportional to 939,781.24, 1,296,885.53 and 510,057.61 is: 703,872.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,781.24 : 1,296,885.53 = 510,057.61 : x
  2. Step 2: Convert to fraction form
    939,781.24/1,296,885.53 = 510,057.61/x
  3. Step 3: Cross multiply
    939,781.24x = 1,296,885.53 × 510,057.61
  4. Step 4: Simplify right side
    939,781.24x = 661,486,331,908.31
  5. Step 5: Solve for x
    x = 661,486,331,908.31/939,781.24
  6. Step 6: Final answer
    x = 703,872.67

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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.