Home / 763,793.28-1,143,945.66-364,714.98

Finding the Fourth Proportional to 763,793.28, 1,143,945.66 and 364,714.98

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Solution

The fourth proportional to 763,793.28, 1,143,945.66 and 364,714.98 is: 546,239.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,793.28 : 1,143,945.66 = 364,714.98 : x
  2. Step 2: Convert to fraction form
    763,793.28/1,143,945.66 = 364,714.98/x
  3. Step 3: Cross multiply
    763,793.28x = 1,143,945.66 × 364,714.98
  4. Step 4: Simplify right side
    763,793.28x = 417,214,118,507.99
  5. Step 5: Solve for x
    x = 417,214,118,507.99/763,793.28
  6. Step 6: Final answer
    x = 546,239.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.