Home / 1,438,515.87-1,985,142.13-793,936.05

Finding the Fourth Proportional to 1,438,515.87, 1,985,142.13 and 793,936.05

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Solution

The fourth proportional to 1,438,515.87, 1,985,142.13 and 793,936.05 is: 1,095,626.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,515.87 : 1,985,142.13 = 793,936.05 : x
  2. Step 2: Convert to fraction form
    1,438,515.87/1,985,142.13 = 793,936.05/x
  3. Step 3: Cross multiply
    1,438,515.87x = 1,985,142.13 × 793,936.05
  4. Step 4: Simplify right side
    1,438,515.87x = 1,576,075,897,411.11
  5. Step 5: Solve for x
    x = 1,576,075,897,411.11/1,438,515.87
  6. Step 6: Final answer
    x = 1,095,626.35

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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.