Home / 756,678.57-1,044,224.51-417,158.97

Finding the Fourth Proportional to 756,678.57, 1,044,224.51 and 417,158.97

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Solution

The fourth proportional to 756,678.57, 1,044,224.51 and 417,158.97 is: 575,683.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,678.57 : 1,044,224.51 = 417,158.97 : x
  2. Step 2: Convert to fraction form
    756,678.57/1,044,224.51 = 417,158.97/x
  3. Step 3: Cross multiply
    756,678.57x = 1,044,224.51 × 417,158.97
  4. Step 4: Simplify right side
    756,678.57x = 435,607,618,954.56
  5. Step 5: Solve for x
    x = 435,607,618,954.56/756,678.57
  6. Step 6: Final answer
    x = 575,683.83

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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.