Home / 1,567,701.90-2,351,301.12-430,198.45

Finding the Fourth Proportional to 1,567,701.90, 2,351,301.12 and 430,198.45

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Solution

The fourth proportional to 1,567,701.90, 2,351,301.12 and 430,198.45 is: 645,228.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,701.90 : 2,351,301.12 = 430,198.45 : x
  2. Step 2: Convert to fraction form
    1,567,701.90/2,351,301.12 = 430,198.45/x
  3. Step 3: Cross multiply
    1,567,701.90x = 2,351,301.12 × 430,198.45
  4. Step 4: Simplify right side
    1,567,701.90x = 1,011,526,091,429.01
  5. Step 5: Solve for x
    x = 1,011,526,091,429.01/1,567,701.90
  6. Step 6: Final answer
    x = 645,228.59

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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.