Home / 1,277,775.57-1,916,680.06-424,847.23

Finding the Fourth Proportional to 1,277,775.57, 1,916,680.06 and 424,847.23

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Solution

The fourth proportional to 1,277,775.57, 1,916,680.06 and 424,847.23 is: 637,276.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,775.57 : 1,916,680.06 = 424,847.23 : x
  2. Step 2: Convert to fraction form
    1,277,775.57/1,916,680.06 = 424,847.23/x
  3. Step 3: Cross multiply
    1,277,775.57x = 1,916,680.06 × 424,847.23
  4. Step 4: Simplify right side
    1,277,775.57x = 814,296,210,026.59
  5. Step 5: Solve for x
    x = 814,296,210,026.59/1,277,775.57
  6. Step 6: Final answer
    x = 637,276.39

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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.