Home / 1,438,218.60-1,985,136.42-834,801

Finding the Fourth Proportional to 1,438,218.60, 1,985,136.42 and 834,801

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Solution

The fourth proportional to 1,438,218.60, 1,985,136.42 and 834,801 is: 1,152,254.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,218.60 : 1,985,136.42 = 834,801 : x
  2. Step 2: Convert to fraction form
    1,438,218.60/1,985,136.42 = 834,801/x
  3. Step 3: Cross multiply
    1,438,218.60x = 1,985,136.42 × 834,801
  4. Step 4: Simplify right side
    1,438,218.60x = 1,657,193,868,552.42
  5. Step 5: Solve for x
    x = 1,657,193,868,552.42/1,438,218.60
  6. Step 6: Final answer
    x = 1,152,254.51

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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.