Home / 634,533.14-875,160.86-392,949.83

Finding the Fourth Proportional to 634,533.14, 875,160.86 and 392,949.83

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Solution

The fourth proportional to 634,533.14, 875,160.86 and 392,949.83 is: 541,964.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,533.14 : 875,160.86 = 392,949.83 : x
  2. Step 2: Convert to fraction form
    634,533.14/875,160.86 = 392,949.83/x
  3. Step 3: Cross multiply
    634,533.14x = 875,160.86 × 392,949.83
  4. Step 4: Simplify right side
    634,533.14x = 343,894,311,382.81
  5. Step 5: Solve for x
    x = 343,894,311,382.81/634,533.14
  6. Step 6: Final answer
    x = 541,964.30

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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.