Home / 1,156,788-1,735,434.72-347,137.92

Finding the Fourth Proportional to 1,156,788, 1,735,434.72 and 347,137.92

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Solution

The fourth proportional to 1,156,788, 1,735,434.72 and 347,137.92 is: 520,782.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,788 : 1,735,434.72 = 347,137.92 : x
  2. Step 2: Convert to fraction form
    1,156,788/1,735,434.72 = 347,137.92/x
  3. Step 3: Cross multiply
    1,156,788x = 1,735,434.72 × 347,137.92
  4. Step 4: Simplify right side
    1,156,788x = 602,435,198,996.58
  5. Step 5: Solve for x
    x = 602,435,198,996.58/1,156,788
  6. Step 6: Final answer
    x = 520,782.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.