Home / 1,416,781.61-1,955,160.11-772,202.33

Finding the Fourth Proportional to 1,416,781.61, 1,955,160.11 and 772,202.33

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Solution

The fourth proportional to 1,416,781.61, 1,955,160.11 and 772,202.33 is: 1,065,640.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,781.61 : 1,955,160.11 = 772,202.33 : x
  2. Step 2: Convert to fraction form
    1,416,781.61/1,955,160.11 = 772,202.33/x
  3. Step 3: Cross multiply
    1,416,781.61x = 1,955,160.11 × 772,202.33
  4. Step 4: Simplify right side
    1,416,781.61x = 1,509,779,188,604.04
  5. Step 5: Solve for x
    x = 1,509,779,188,604.04/1,416,781.61
  6. Step 6: Final answer
    x = 1,065,640.02

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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.