Home / 579,485.83-869,353.13-195,272.64

Finding the Fourth Proportional to 579,485.83, 869,353.13 and 195,272.64

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Solution

The fourth proportional to 579,485.83, 869,353.13 and 195,272.64 is: 292,950.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,485.83 : 869,353.13 = 195,272.64 : x
  2. Step 2: Convert to fraction form
    579,485.83/869,353.13 = 195,272.64/x
  3. Step 3: Cross multiply
    579,485.83x = 869,353.13 × 195,272.64
  4. Step 4: Simplify right side
    579,485.83x = 169,760,880,787.36
  5. Step 5: Solve for x
    x = 169,760,880,787.36/579,485.83
  6. Step 6: Final answer
    x = 292,950.87

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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.