Home / 534,621.41-737,778.08-289,606.72

Finding the Fourth Proportional to 534,621.41, 737,778.08 and 289,606.72

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Solution

The fourth proportional to 534,621.41, 737,778.08 and 289,606.72 is: 399,657.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,621.41 : 737,778.08 = 289,606.72 : x
  2. Step 2: Convert to fraction form
    534,621.41/737,778.08 = 289,606.72/x
  3. Step 3: Cross multiply
    534,621.41x = 737,778.08 × 289,606.72
  4. Step 4: Simplify right side
    534,621.41x = 213,665,484,699.77
  5. Step 5: Solve for x
    x = 213,665,484,699.77/534,621.41
  6. Step 6: Final answer
    x = 399,657.55

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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.