Home / 1,220,900.94-1,831,613.85-411,365.82

Finding the Fourth Proportional to 1,220,900.94, 1,831,613.85 and 411,365.82

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Solution

The fourth proportional to 1,220,900.94, 1,831,613.85 and 411,365.82 is: 617,137.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,900.94 : 1,831,613.85 = 411,365.82 : x
  2. Step 2: Convert to fraction form
    1,220,900.94/1,831,613.85 = 411,365.82/x
  3. Step 3: Cross multiply
    1,220,900.94x = 1,831,613.85 × 411,365.82
  4. Step 4: Simplify right side
    1,220,900.94x = 753,463,333,328.61
  5. Step 5: Solve for x
    x = 753,463,333,328.61/1,220,900.94
  6. Step 6: Final answer
    x = 617,137.16

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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.