Home / 398,650.17-597,636.58-185,541.84

Finding the Fourth Proportional to 398,650.17, 597,636.58 and 185,541.84

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Solution

The fourth proportional to 398,650.17, 597,636.58 and 185,541.84 is: 278,155.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,650.17 : 597,636.58 = 185,541.84 : x
  2. Step 2: Convert to fraction form
    398,650.17/597,636.58 = 185,541.84/x
  3. Step 3: Cross multiply
    398,650.17x = 597,636.58 × 185,541.84
  4. Step 4: Simplify right side
    398,650.17x = 110,886,590,704.51
  5. Step 5: Solve for x
    x = 110,886,590,704.51/398,650.17
  6. Step 6: Final answer
    x = 278,155.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.