Home / 1,214,135.69-1,675,463.24-670,259.77

Finding the Fourth Proportional to 1,214,135.69, 1,675,463.24 and 670,259.77

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Solution

The fourth proportional to 1,214,135.69, 1,675,463.24 and 670,259.77 is: 924,934.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,135.69 : 1,675,463.24 = 670,259.77 : x
  2. Step 2: Convert to fraction form
    1,214,135.69/1,675,463.24 = 670,259.77/x
  3. Step 3: Cross multiply
    1,214,135.69x = 1,675,463.24 × 670,259.77
  4. Step 4: Simplify right side
    1,214,135.69x = 1,122,995,605,885.85
  5. Step 5: Solve for x
    x = 1,122,995,605,885.85/1,214,135.69
  6. Step 6: Final answer
    x = 924,934.19

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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.