Home / 1,686,241.76-2,528,941.30-661,780.10

Finding the Fourth Proportional to 1,686,241.76, 2,528,941.30 and 661,780.10

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Solution

The fourth proportional to 1,686,241.76, 2,528,941.30 and 661,780.10 is: 992,504.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,241.76 : 2,528,941.30 = 661,780.10 : x
  2. Step 2: Convert to fraction form
    1,686,241.76/2,528,941.30 = 661,780.10/x
  3. Step 3: Cross multiply
    1,686,241.76x = 2,528,941.30 × 661,780.10
  4. Step 4: Simplify right side
    1,686,241.76x = 1,673,603,026,408.13
  5. Step 5: Solve for x
    x = 1,673,603,026,408.13/1,686,241.76
  6. Step 6: Final answer
    x = 992,504.79

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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.