Home / 756,715.50-1,044,274.47-417,195.90

Finding the Fourth Proportional to 756,715.50, 1,044,274.47 and 417,195.90

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Solution

The fourth proportional to 756,715.50, 1,044,274.47 and 417,195.90 is: 575,734.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,715.50 : 1,044,274.47 = 417,195.90 : x
  2. Step 2: Convert to fraction form
    756,715.50/1,044,274.47 = 417,195.90/x
  3. Step 3: Cross multiply
    756,715.50x = 1,044,274.47 × 417,195.90
  4. Step 4: Simplify right side
    756,715.50x = 435,667,027,358.67
  5. Step 5: Solve for x
    x = 435,667,027,358.67/756,715.50
  6. Step 6: Final answer
    x = 575,734.25

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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.