Home / 1,692,156.25-2,335,175.76-928,211.77

Finding the Fourth Proportional to 1,692,156.25, 2,335,175.76 and 928,211.77

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Solution

The fourth proportional to 1,692,156.25, 2,335,175.76 and 928,211.77 is: 1,280,932.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,156.25 : 2,335,175.76 = 928,211.77 : x
  2. Step 2: Convert to fraction form
    1,692,156.25/2,335,175.76 = 928,211.77/x
  3. Step 3: Cross multiply
    1,692,156.25x = 2,335,175.76 × 928,211.77
  4. Step 4: Simplify right side
    1,692,156.25x = 2,167,537,625,450.70
  5. Step 5: Solve for x
    x = 2,167,537,625,450.70/1,692,156.25
  6. Step 6: Final answer
    x = 1,280,932.32

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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.