Home / 1,401,801.09-1,934,486.54-757,221.28

Finding the Fourth Proportional to 1,401,801.09, 1,934,486.54 and 757,221.28

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Solution

The fourth proportional to 1,401,801.09, 1,934,486.54 and 757,221.28 is: 1,044,965.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,801.09 : 1,934,486.54 = 757,221.28 : x
  2. Step 2: Convert to fraction form
    1,401,801.09/1,934,486.54 = 757,221.28/x
  3. Step 3: Cross multiply
    1,401,801.09x = 1,934,486.54 × 757,221.28
  4. Step 4: Simplify right side
    1,401,801.09x = 1,464,834,373,961.57
  5. Step 5: Solve for x
    x = 1,464,834,373,961.57/1,401,801.09
  6. Step 6: Final answer
    x = 1,044,965.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.