Home / 683,612.24-943,399.56-381,806.80

Finding the Fourth Proportional to 683,612.24, 943,399.56 and 381,806.80

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Solution

The fourth proportional to 683,612.24, 943,399.56 and 381,806.80 is: 526,901.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,612.24 : 943,399.56 = 381,806.80 : x
  2. Step 2: Convert to fraction form
    683,612.24/943,399.56 = 381,806.80/x
  3. Step 3: Cross multiply
    683,612.24x = 943,399.56 × 381,806.80
  4. Step 4: Simplify right side
    683,612.24x = 360,196,367,125.01
  5. Step 5: Solve for x
    x = 360,196,367,125.01/683,612.24
  6. Step 6: Final answer
    x = 526,901.58

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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.