Home / 531,370.14-733,290.03-289,653.18

Finding the Fourth Proportional to 531,370.14, 733,290.03 and 289,653.18

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Solution

The fourth proportional to 531,370.14, 733,290.03 and 289,653.18 is: 399,720.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,370.14 : 733,290.03 = 289,653.18 : x
  2. Step 2: Convert to fraction form
    531,370.14/733,290.03 = 289,653.18/x
  3. Step 3: Cross multiply
    531,370.14x = 733,290.03 × 289,653.18
  4. Step 4: Simplify right side
    531,370.14x = 212,399,789,051.80
  5. Step 5: Solve for x
    x = 212,399,789,051.80/531,370.14
  6. Step 6: Final answer
    x = 399,720.97

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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.