Home / 816,632.44-1,126,946.86-454,053.50

Finding the Fourth Proportional to 816,632.44, 1,126,946.86 and 454,053.50

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Solution

The fourth proportional to 816,632.44, 1,126,946.86 and 454,053.50 is: 626,590.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,632.44 : 1,126,946.86 = 454,053.50 : x
  2. Step 2: Convert to fraction form
    816,632.44/1,126,946.86 = 454,053.50/x
  3. Step 3: Cross multiply
    816,632.44x = 1,126,946.86 × 454,053.50
  4. Step 4: Simplify right side
    816,632.44x = 511,694,166,097.01
  5. Step 5: Solve for x
    x = 511,694,166,097.01/816,632.44
  6. Step 6: Final answer
    x = 626,590.55

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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.