Home / 861,493.68-1,188,814.68-474,233.64

Finding the Fourth Proportional to 861,493.68, 1,188,814.68 and 474,233.64

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Solution

The fourth proportional to 861,493.68, 1,188,814.68 and 474,233.64 is: 654,416.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,493.68 : 1,188,814.68 = 474,233.64 : x
  2. Step 2: Convert to fraction form
    861,493.68/1,188,814.68 = 474,233.64/x
  3. Step 3: Cross multiply
    861,493.68x = 1,188,814.68 × 474,233.64
  4. Step 4: Simplify right side
    861,493.68x = 563,775,912,981.84
  5. Step 5: Solve for x
    x = 563,775,912,981.84/861,493.68
  6. Step 6: Final answer
    x = 654,416.77

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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.