Home / 1,255,416.90-1,732,454.91-682,471.50

Finding the Fourth Proportional to 1,255,416.90, 1,732,454.91 and 682,471.50

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Solution

The fourth proportional to 1,255,416.90, 1,732,454.91 and 682,471.50 is: 941,799.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,416.90 : 1,732,454.91 = 682,471.50 : x
  2. Step 2: Convert to fraction form
    1,255,416.90/1,732,454.91 = 682,471.50/x
  3. Step 3: Cross multiply
    1,255,416.90x = 1,732,454.91 × 682,471.50
  4. Step 4: Simplify right side
    1,255,416.90x = 1,182,351,101,110.07
  5. Step 5: Solve for x
    x = 1,182,351,101,110.07/1,255,416.90
  6. Step 6: Final answer
    x = 941,799.57

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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.