Home / 531,171.83-733,017.15-289,454.33

Finding the Fourth Proportional to 531,171.83, 733,017.15 and 289,454.33

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Solution

The fourth proportional to 531,171.83, 733,017.15 and 289,454.33 is: 399,446.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,171.83 : 733,017.15 = 289,454.33 : x
  2. Step 2: Convert to fraction form
    531,171.83/733,017.15 = 289,454.33/x
  3. Step 3: Cross multiply
    531,171.83x = 733,017.15 × 289,454.33
  4. Step 4: Simplify right side
    531,171.83x = 212,174,984,366.67
  5. Step 5: Solve for x
    x = 212,174,984,366.67/531,171.83
  6. Step 6: Final answer
    x = 399,446.99

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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.