Home / 864,327.35-1,192,740.46-477,134.45

Finding the Fourth Proportional to 864,327.35, 1,192,740.46 and 477,134.45

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Solution

The fourth proportional to 864,327.35, 1,192,740.46 and 477,134.45 is: 658,428.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,327.35 : 1,192,740.46 = 477,134.45 : x
  2. Step 2: Convert to fraction form
    864,327.35/1,192,740.46 = 477,134.45/x
  3. Step 3: Cross multiply
    864,327.35x = 1,192,740.46 × 477,134.45
  4. Step 4: Simplify right side
    864,327.35x = 569,097,561,697.55
  5. Step 5: Solve for x
    x = 569,097,561,697.55/864,327.35
  6. Step 6: Final answer
    x = 658,428.27

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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.