Home / 1,416,803.38-1,955,171.46-772,221.58

Finding the Fourth Proportional to 1,416,803.38, 1,955,171.46 and 772,221.58

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Solution

The fourth proportional to 1,416,803.38, 1,955,171.46 and 772,221.58 is: 1,065,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,803.38 : 1,955,171.46 = 772,221.58 : x
  2. Step 2: Convert to fraction form
    1,416,803.38/1,955,171.46 = 772,221.58/x
  3. Step 3: Cross multiply
    1,416,803.38x = 1,955,171.46 × 772,221.58
  4. Step 4: Simplify right side
    1,416,803.38x = 1,509,825,594,012.11
  5. Step 5: Solve for x
    x = 1,509,825,594,012.11/1,416,803.38
  6. Step 6: Final answer
    x = 1,065,656.40

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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.