Home / 673,734.96-929,771.16-383,330.52

Finding the Fourth Proportional to 673,734.96, 929,771.16 and 383,330.52

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Solution

The fourth proportional to 673,734.96, 929,771.16 and 383,330.52 is: 529,005.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,734.96 : 929,771.16 = 383,330.52 : x
  2. Step 2: Convert to fraction form
    673,734.96/929,771.16 = 383,330.52/x
  3. Step 3: Cross multiply
    673,734.96x = 929,771.16 × 383,330.52
  4. Step 4: Simplify right side
    673,734.96x = 356,409,662,243.80
  5. Step 5: Solve for x
    x = 356,409,662,243.80/673,734.96
  6. Step 6: Final answer
    x = 529,005.74

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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.