Home / 914,284.32-1,371,645.45-381,508.98

Finding the Fourth Proportional to 914,284.32, 1,371,645.45 and 381,508.98

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Solution

The fourth proportional to 914,284.32, 1,371,645.45 and 381,508.98 is: 572,354.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,284.32 : 1,371,645.45 = 381,508.98 : x
  2. Step 2: Convert to fraction form
    914,284.32/1,371,645.45 = 381,508.98/x
  3. Step 3: Cross multiply
    914,284.32x = 1,371,645.45 × 381,508.98
  4. Step 4: Simplify right side
    914,284.32x = 523,295,056,551.14
  5. Step 5: Solve for x
    x = 523,295,056,551.14/914,284.32
  6. Step 6: Final answer
    x = 572,354.84

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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.