Home / 816,214.53-1,224,448.56-416,639.10

Finding the Fourth Proportional to 816,214.53, 1,224,448.56 and 416,639.10

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Solution

The fourth proportional to 816,214.53, 1,224,448.56 and 416,639.10 is: 625,023.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,214.53 : 1,224,448.56 = 416,639.10 : x
  2. Step 2: Convert to fraction form
    816,214.53/1,224,448.56 = 416,639.10/x
  3. Step 3: Cross multiply
    816,214.53x = 1,224,448.56 × 416,639.10
  4. Step 4: Simplify right side
    816,214.53x = 510,153,146,034.70
  5. Step 5: Solve for x
    x = 510,153,146,034.70/816,214.53
  6. Step 6: Final answer
    x = 625,023.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.