Home / 683,389.04-943,076.94-381,583.04

Finding the Fourth Proportional to 683,389.04, 943,076.94 and 381,583.04

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Solution

The fourth proportional to 683,389.04, 943,076.94 and 381,583.04 is: 526,584.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,389.04 : 943,076.94 = 381,583.04 : x
  2. Step 2: Convert to fraction form
    683,389.04/943,076.94 = 381,583.04/x
  3. Step 3: Cross multiply
    683,389.04x = 943,076.94 × 381,583.04
  4. Step 4: Simplify right side
    683,389.04x = 359,862,165,719.10
  5. Step 5: Solve for x
    x = 359,862,165,719.10/683,389.04
  6. Step 6: Final answer
    x = 526,584.63

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Double scale
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1.5x scale

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.