Home / 376,834.92-520,026.28-207,065.40

Finding the Fourth Proportional to 376,834.92, 520,026.28 and 207,065.40

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Solution

The fourth proportional to 376,834.92, 520,026.28 and 207,065.40 is: 285,747.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,834.92 : 520,026.28 = 207,065.40 : x
  2. Step 2: Convert to fraction form
    376,834.92/520,026.28 = 207,065.40/x
  3. Step 3: Cross multiply
    376,834.92x = 520,026.28 × 207,065.40
  4. Step 4: Simplify right side
    376,834.92x = 107,679,449,678.71
  5. Step 5: Solve for x
    x = 107,679,449,678.71/376,834.92
  6. Step 6: Final answer
    x = 285,747.00

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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.