Home / 673,827.27-929,963.18-383,509.42

Finding the Fourth Proportional to 673,827.27, 929,963.18 and 383,509.42

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Solution

The fourth proportional to 673,827.27, 929,963.18 and 383,509.42 is: 529,289.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,827.27 : 929,963.18 = 383,509.42 : x
  2. Step 2: Convert to fraction form
    673,827.27/929,963.18 = 383,509.42/x
  3. Step 3: Cross multiply
    673,827.27x = 929,963.18 × 383,509.42
  4. Step 4: Simplify right side
    673,827.27x = 356,649,639,783.16
  5. Step 5: Solve for x
    x = 356,649,639,783.16/673,827.27
  6. Step 6: Final answer
    x = 529,289.41

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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.