Home / 1,122,376.75-1,683,813.90-323,595.94

Finding the Fourth Proportional to 1,122,376.75, 1,683,813.90 and 323,595.94

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Solution

The fourth proportional to 1,122,376.75, 1,683,813.90 and 323,595.94 is: 485,465.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,376.75 : 1,683,813.90 = 323,595.94 : x
  2. Step 2: Convert to fraction form
    1,122,376.75/1,683,813.90 = 323,595.94/x
  3. Step 3: Cross multiply
    1,122,376.75x = 1,683,813.90 × 323,595.94
  4. Step 4: Simplify right side
    1,122,376.75x = 544,875,341,755.57
  5. Step 5: Solve for x
    x = 544,875,341,755.57/1,122,376.75
  6. Step 6: Final answer
    x = 485,465.64

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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.