Home / 1,107,563.60-1,528,375.56-655,000.40

Finding the Fourth Proportional to 1,107,563.60, 1,528,375.56 and 655,000.40

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Solution

The fourth proportional to 1,107,563.60, 1,528,375.56 and 655,000.40 is: 903,863.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,563.60 : 1,528,375.56 = 655,000.40 : x
  2. Step 2: Convert to fraction form
    1,107,563.60/1,528,375.56 = 655,000.40/x
  3. Step 3: Cross multiply
    1,107,563.60x = 1,528,375.56 × 655,000.40
  4. Step 4: Simplify right side
    1,107,563.60x = 1,001,086,603,150.22
  5. Step 5: Solve for x
    x = 1,001,086,603,150.22/1,107,563.60
  6. Step 6: Final answer
    x = 903,863.76

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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.