Home / 757,266.40-1,044,946.74-417,734.56

Finding the Fourth Proportional to 757,266.40, 1,044,946.74 and 417,734.56

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Solution

The fourth proportional to 757,266.40, 1,044,946.74 and 417,734.56 is: 576,429.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,266.40 : 1,044,946.74 = 417,734.56 : x
  2. Step 2: Convert to fraction form
    757,266.40/1,044,946.74 = 417,734.56/x
  3. Step 3: Cross multiply
    757,266.40x = 1,044,946.74 × 417,734.56
  4. Step 4: Simplify right side
    757,266.40x = 436,510,366,657.33
  5. Step 5: Solve for x
    x = 436,510,366,657.33/757,266.40
  6. Step 6: Final answer
    x = 576,429.07

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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.