Home / 1,277,849.28-1,916,570.79-424,849.98

Finding the Fourth Proportional to 1,277,849.28, 1,916,570.79 and 424,849.98

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Solution

The fourth proportional to 1,277,849.28, 1,916,570.79 and 424,849.98 is: 637,207.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,849.28 : 1,916,570.79 = 424,849.98 : x
  2. Step 2: Convert to fraction form
    1,277,849.28/1,916,570.79 = 424,849.98/x
  3. Step 3: Cross multiply
    1,277,849.28x = 1,916,570.79 × 424,849.98
  4. Step 4: Simplify right side
    1,277,849.28x = 814,255,061,800.08
  5. Step 5: Solve for x
    x = 814,255,061,800.08/1,277,849.28
  6. Step 6: Final answer
    x = 637,207.43

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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.