Home / 874,465.92-1,311,699.12-675,077.40

Finding the Fourth Proportional to 874,465.92, 1,311,699.12 and 675,077.40

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Solution

The fourth proportional to 874,465.92, 1,311,699.12 and 675,077.40 is: 1,012,616.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,465.92 : 1,311,699.12 = 675,077.40 : x
  2. Step 2: Convert to fraction form
    874,465.92/1,311,699.12 = 675,077.40/x
  3. Step 3: Cross multiply
    874,465.92x = 1,311,699.12 × 675,077.40
  4. Step 4: Simplify right side
    874,465.92x = 885,498,431,511.89
  5. Step 5: Solve for x
    x = 885,498,431,511.89/874,465.92
  6. Step 6: Final answer
    x = 1,012,616.29

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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.