Home / 1,280,383.76-1,766,965.23-707,460.86

Finding the Fourth Proportional to 1,280,383.76, 1,766,965.23 and 707,460.86

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Solution

The fourth proportional to 1,280,383.76, 1,766,965.23 and 707,460.86 is: 976,315.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,383.76 : 1,766,965.23 = 707,460.86 : x
  2. Step 2: Convert to fraction form
    1,280,383.76/1,766,965.23 = 707,460.86/x
  3. Step 3: Cross multiply
    1,280,383.76x = 1,766,965.23 × 707,460.86
  4. Step 4: Simplify right side
    1,280,383.76x = 1,250,058,732,371.07
  5. Step 5: Solve for x
    x = 1,250,058,732,371.07/1,280,383.76
  6. Step 6: Final answer
    x = 976,315.68

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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.