Home / 1,416,761.86-1,955,132.86-772,182.58

Finding the Fourth Proportional to 1,416,761.86, 1,955,132.86 and 772,182.58

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Solution

The fourth proportional to 1,416,761.86, 1,955,132.86 and 772,182.58 is: 1,065,612.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,761.86 : 1,955,132.86 = 772,182.58 : x
  2. Step 2: Convert to fraction form
    1,416,761.86/1,955,132.86 = 772,182.58/x
  3. Step 3: Cross multiply
    1,416,761.86x = 1,955,132.86 × 772,182.58
  4. Step 4: Simplify right side
    1,416,761.86x = 1,509,719,536,077.58
  5. Step 5: Solve for x
    x = 1,509,719,536,077.58/1,416,761.86
  6. Step 6: Final answer
    x = 1,065,612.77

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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.