Home / 1,086,813.50-1,629,695.90-455,557.82

Finding the Fourth Proportional to 1,086,813.50, 1,629,695.90 and 455,557.82

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Solution

The fourth proportional to 1,086,813.50, 1,629,695.90 and 455,557.82 is: 683,116.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,813.50 : 1,629,695.90 = 455,557.82 : x
  2. Step 2: Convert to fraction form
    1,086,813.50/1,629,695.90 = 455,557.82/x
  3. Step 3: Cross multiply
    1,086,813.50x = 1,629,695.90 × 455,557.82
  4. Step 4: Simplify right side
    1,086,813.50x = 742,420,704,457.35
  5. Step 5: Solve for x
    x = 742,420,704,457.35/1,086,813.50
  6. Step 6: Final answer
    x = 683,116.94

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Double scale
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1.5x scale

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.