Home / 531,194.19-733,038.15-289,478.44

Finding the Fourth Proportional to 531,194.19, 733,038.15 and 289,478.44

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Solution

The fourth proportional to 531,194.19, 733,038.15 and 289,478.44 is: 399,474.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,194.19 : 733,038.15 = 289,478.44 : x
  2. Step 2: Convert to fraction form
    531,194.19/733,038.15 = 289,478.44/x
  3. Step 3: Cross multiply
    531,194.19x = 733,038.15 × 289,478.44
  4. Step 4: Simplify right side
    531,194.19x = 212,198,740,122.49
  5. Step 5: Solve for x
    x = 212,198,740,122.49/531,194.19
  6. Step 6: Final answer
    x = 399,474.89

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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.