Home / 1,277,353.08-1,916,177.85-424,500.84

Finding the Fourth Proportional to 1,277,353.08, 1,916,177.85 and 424,500.84

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Solution

The fourth proportional to 1,277,353.08, 1,916,177.85 and 424,500.84 is: 636,800.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,353.08 : 1,916,177.85 = 424,500.84 : x
  2. Step 2: Convert to fraction form
    1,277,353.08/1,916,177.85 = 424,500.84/x
  3. Step 3: Cross multiply
    1,277,353.08x = 1,916,177.85 × 424,500.84
  4. Step 4: Simplify right side
    1,277,353.08x = 813,419,106,914.39
  5. Step 5: Solve for x
    x = 813,419,106,914.39/1,277,353.08
  6. Step 6: Final answer
    x = 636,800.52

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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.