Home / 864,322.05-1,192,783.52-477,136.55

Finding the Fourth Proportional to 864,322.05, 1,192,783.52 and 477,136.55

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Solution

The fourth proportional to 864,322.05, 1,192,783.52 and 477,136.55 is: 658,458.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,322.05 : 1,192,783.52 = 477,136.55 : x
  2. Step 2: Convert to fraction form
    864,322.05/1,192,783.52 = 477,136.55/x
  3. Step 3: Cross multiply
    864,322.05x = 1,192,783.52 × 477,136.55
  4. Step 4: Simplify right side
    864,322.05x = 569,120,615,581.92
  5. Step 5: Solve for x
    x = 569,120,615,581.92/864,322.05
  6. Step 6: Final answer
    x = 658,458.98

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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.