Home / 746,457.74-1,030,081.13-419,761.46

Finding the Fourth Proportional to 746,457.74, 1,030,081.13 and 419,761.46

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Solution

The fourth proportional to 746,457.74, 1,030,081.13 and 419,761.46 is: 579,253.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,457.74 : 1,030,081.13 = 419,761.46 : x
  2. Step 2: Convert to fraction form
    746,457.74/1,030,081.13 = 419,761.46/x
  3. Step 3: Cross multiply
    746,457.74x = 1,030,081.13 × 419,761.46
  4. Step 4: Simplify right side
    746,457.74x = 432,388,354,122.97
  5. Step 5: Solve for x
    x = 432,388,354,122.97/746,457.74
  6. Step 6: Final answer
    x = 579,253.62

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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.