Home / 1,117,040.10-1,675,560.15-993,037.20

Finding the Fourth Proportional to 1,117,040.10, 1,675,560.15 and 993,037.20

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Solution

The fourth proportional to 1,117,040.10, 1,675,560.15 and 993,037.20 is: 1,489,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,040.10 : 1,675,560.15 = 993,037.20 : x
  2. Step 2: Convert to fraction form
    1,117,040.10/1,675,560.15 = 993,037.20/x
  3. Step 3: Cross multiply
    1,117,040.10x = 1,675,560.15 × 993,037.20
  4. Step 4: Simplify right side
    1,117,040.10x = 1,663,893,559,787.58
  5. Step 5: Solve for x
    x = 1,663,893,559,787.58/1,117,040.10
  6. Step 6: Final answer
    x = 1,489,555.80

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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.