Home / 397,427.40-596,141.10-371,183.40

Finding the Fourth Proportional to 397,427.40, 596,141.10 and 371,183.40

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Solution

The fourth proportional to 397,427.40, 596,141.10 and 371,183.40 is: 556,775.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,427.40 : 596,141.10 = 371,183.40 : x
  2. Step 2: Convert to fraction form
    397,427.40/596,141.10 = 371,183.40/x
  3. Step 3: Cross multiply
    397,427.40x = 596,141.10 × 371,183.40
  4. Step 4: Simplify right side
    397,427.40x = 221,277,680,377.74
  5. Step 5: Solve for x
    x = 221,277,680,377.74/397,427.40
  6. Step 6: Final answer
    x = 556,775.10

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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.