Home / 1,277,804.10-1,916,706.15-1,087,826.70

Finding the Fourth Proportional to 1,277,804.10, 1,916,706.15 and 1,087,826.70

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Solution

The fourth proportional to 1,277,804.10, 1,916,706.15 and 1,087,826.70 is: 1,631,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,804.10 : 1,916,706.15 = 1,087,826.70 : x
  2. Step 2: Convert to fraction form
    1,277,804.10/1,916,706.15 = 1,087,826.70/x
  3. Step 3: Cross multiply
    1,277,804.10x = 1,916,706.15 × 1,087,826.70
  4. Step 4: Simplify right side
    1,277,804.10x = 2,085,044,126,024.20
  5. Step 5: Solve for x
    x = 2,085,044,126,024.20/1,277,804.10
  6. Step 6: Final answer
    x = 1,631,740.05

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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.