Home / 816,629.04-1,126,927.08-454,034.16

Finding the Fourth Proportional to 816,629.04, 1,126,927.08 and 454,034.16

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Solution

The fourth proportional to 816,629.04, 1,126,927.08 and 454,034.16 is: 626,555.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,629.04 : 1,126,927.08 = 454,034.16 : x
  2. Step 2: Convert to fraction form
    816,629.04/1,126,927.08 = 454,034.16/x
  3. Step 3: Cross multiply
    816,629.04x = 1,126,927.08 × 454,034.16
  4. Step 4: Simplify right side
    816,629.04x = 511,663,390,149.05
  5. Step 5: Solve for x
    x = 511,663,390,149.05/816,629.04
  6. Step 6: Final answer
    x = 626,555.47

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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.