Home / 566,786.40-782,153.51-308,667.86

Finding the Fourth Proportional to 566,786.40, 782,153.51 and 308,667.86

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Solution

The fourth proportional to 566,786.40, 782,153.51 and 308,667.86 is: 425,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,786.40 : 782,153.51 = 308,667.86 : x
  2. Step 2: Convert to fraction form
    566,786.40/782,153.51 = 308,667.86/x
  3. Step 3: Cross multiply
    566,786.40x = 782,153.51 × 308,667.86
  4. Step 4: Simplify right side
    566,786.40x = 241,425,644,669.08
  5. Step 5: Solve for x
    x = 241,425,644,669.08/566,786.40
  6. Step 6: Final answer
    x = 425,955.25

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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.