Home / 757,479.50-1,045,343.58-417,969.62

Finding the Fourth Proportional to 757,479.50, 1,045,343.58 and 417,969.62

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Solution

The fourth proportional to 757,479.50, 1,045,343.58 and 417,969.62 is: 576,810.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,479.50 : 1,045,343.58 = 417,969.62 : x
  2. Step 2: Convert to fraction form
    757,479.50/1,045,343.58 = 417,969.62/x
  3. Step 3: Cross multiply
    757,479.50x = 1,045,343.58 × 417,969.62
  4. Step 4: Simplify right side
    757,479.50x = 436,921,858,902.04
  5. Step 5: Solve for x
    x = 436,921,858,902.04/757,479.50
  6. Step 6: Final answer
    x = 576,810.14

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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.