Home / 370,084.05-554,285.29-289,620.56

Finding the Fourth Proportional to 370,084.05, 554,285.29 and 289,620.56

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Solution

The fourth proportional to 370,084.05, 554,285.29 and 289,620.56 is: 433,772.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,084.05 : 554,285.29 = 289,620.56 : x
  2. Step 2: Convert to fraction form
    370,084.05/554,285.29 = 289,620.56/x
  3. Step 3: Cross multiply
    370,084.05x = 554,285.29 × 289,620.56
  4. Step 4: Simplify right side
    370,084.05x = 160,532,411,870.03
  5. Step 5: Solve for x
    x = 160,532,411,870.03/370,084.05
  6. Step 6: Final answer
    x = 433,772.85

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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.