Home / 1,156,612.40-1,735,414.80-447,138.72

Finding the Fourth Proportional to 1,156,612.40, 1,735,414.80 and 447,138.72

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Solution

The fourth proportional to 1,156,612.40, 1,735,414.80 and 447,138.72 is: 670,899.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,612.40 : 1,735,414.80 = 447,138.72 : x
  2. Step 2: Convert to fraction form
    1,156,612.40/1,735,414.80 = 447,138.72/x
  3. Step 3: Cross multiply
    1,156,612.40x = 1,735,414.80 × 447,138.72
  4. Step 4: Simplify right side
    1,156,612.40x = 775,971,152,341.06
  5. Step 5: Solve for x
    x = 775,971,152,341.06/1,156,612.40
  6. Step 6: Final answer
    x = 670,899.91

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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.