Home / 683,972.52-943,880.10-382,166.76

Finding the Fourth Proportional to 683,972.52, 943,880.10 and 382,166.76

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Solution

The fourth proportional to 683,972.52, 943,880.10 and 382,166.76 is: 527,389.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,972.52 : 943,880.10 = 382,166.76 : x
  2. Step 2: Convert to fraction form
    683,972.52/943,880.10 = 382,166.76/x
  3. Step 3: Cross multiply
    683,972.52x = 943,880.10 × 382,166.76
  4. Step 4: Simplify right side
    683,972.52x = 360,719,599,645.48
  5. Step 5: Solve for x
    x = 360,719,599,645.48/683,972.52
  6. Step 6: Final answer
    x = 527,389.02

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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.