Home / 816,585.39-1,126,916.70-454,112.01

Finding the Fourth Proportional to 816,585.39, 1,126,916.70 and 454,112.01

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Solution

The fourth proportional to 816,585.39, 1,126,916.70 and 454,112.01 is: 626,690.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,585.39 : 1,126,916.70 = 454,112.01 : x
  2. Step 2: Convert to fraction form
    816,585.39/1,126,916.70 = 454,112.01/x
  3. Step 3: Cross multiply
    816,585.39x = 1,126,916.70 × 454,112.01
  4. Step 4: Simplify right side
    816,585.39x = 511,746,407,739.57
  5. Step 5: Solve for x
    x = 511,746,407,739.57/816,585.39
  6. Step 6: Final answer
    x = 626,690.62

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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.