Home / 683,916.31-943,775.14-377,976.88

Finding the Fourth Proportional to 683,916.31, 943,775.14 and 377,976.88

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Solution

The fourth proportional to 683,916.31, 943,775.14 and 377,976.88 is: 521,591.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,916.31 : 943,775.14 = 377,976.88 : x
  2. Step 2: Convert to fraction form
    683,916.31/943,775.14 = 377,976.88/x
  3. Step 3: Cross multiply
    683,916.31x = 943,775.14 × 377,976.88
  4. Step 4: Simplify right side
    683,916.31x = 356,725,182,838.76
  5. Step 5: Solve for x
    x = 356,725,182,838.76/683,916.31
  6. Step 6: Final answer
    x = 521,591.86

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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.