Home / 1,806,516.62-2,709,776.10-458,780.30

Finding the Fourth Proportional to 1,806,516.62, 2,709,776.10 and 458,780.30

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Solution

The fourth proportional to 1,806,516.62, 2,709,776.10 and 458,780.30 is: 688,170.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,516.62 : 2,709,776.10 = 458,780.30 : x
  2. Step 2: Convert to fraction form
    1,806,516.62/2,709,776.10 = 458,780.30/x
  3. Step 3: Cross multiply
    1,806,516.62x = 2,709,776.10 × 458,780.30
  4. Step 4: Simplify right side
    1,806,516.62x = 1,243,191,892,090.83
  5. Step 5: Solve for x
    x = 1,243,191,892,090.83/1,806,516.62
  6. Step 6: Final answer
    x = 688,170.75

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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.