Home / 1,416,784.86-1,955,164.59-772,205.58

Finding the Fourth Proportional to 1,416,784.86, 1,955,164.59 and 772,205.58

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Solution

The fourth proportional to 1,416,784.86, 1,955,164.59 and 772,205.58 is: 1,065,644.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,784.86 : 1,955,164.59 = 772,205.58 : x
  2. Step 2: Convert to fraction form
    1,416,784.86/1,955,164.59 = 772,205.58/x
  3. Step 3: Cross multiply
    1,416,784.86x = 1,955,164.59 × 772,205.58
  4. Step 4: Simplify right side
    1,416,784.86x = 1,509,789,006,216.41
  5. Step 5: Solve for x
    x = 1,509,789,006,216.41/1,416,784.86
  6. Step 6: Final answer
    x = 1,065,644.51

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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.