Home / 1,277,424.60-1,917,692.10-646,013.40

Finding the Fourth Proportional to 1,277,424.60, 1,917,692.10 and 646,013.40

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Solution

The fourth proportional to 1,277,424.60, 1,917,692.10 and 646,013.40 is: 969,806.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,424.60 : 1,917,692.10 = 646,013.40 : x
  2. Step 2: Convert to fraction form
    1,277,424.60/1,917,692.10 = 646,013.40/x
  3. Step 3: Cross multiply
    1,277,424.60x = 1,917,692.10 × 646,013.40
  4. Step 4: Simplify right side
    1,277,424.60x = 1,238,854,793,674.14
  5. Step 5: Solve for x
    x = 1,238,854,793,674.14/1,277,424.60
  6. Step 6: Final answer
    x = 969,806.59

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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.