Home / 3,316,387.65-4,974,025.01-920,475.69

Finding the Fourth Proportional to 3,316,387.65, 4,974,025.01 and 920,475.69

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Solution

The fourth proportional to 3,316,387.65, 4,974,025.01 and 920,475.69 is: 1,380,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316,387.65 : 4,974,025.01 = 920,475.69 : x
  2. Step 2: Convert to fraction form
    3,316,387.65/4,974,025.01 = 920,475.69/x
  3. Step 3: Cross multiply
    3,316,387.65x = 4,974,025.01 × 920,475.69
  4. Step 4: Simplify right side
    3,316,387.65x = 4,578,469,098,554.63
  5. Step 5: Solve for x
    x = 4,578,469,098,554.63/3,316,387.65
  6. Step 6: Final answer
    x = 1,380,559.08

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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.