Home / 1,567,789.65-2,351,101.28-620,964.45

Finding the Fourth Proportional to 1,567,789.65, 2,351,101.28 and 620,964.45

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Solution

The fourth proportional to 1,567,789.65, 2,351,101.28 and 620,964.45 is: 931,215.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,789.65 : 2,351,101.28 = 620,964.45 : x
  2. Step 2: Convert to fraction form
    1,567,789.65/2,351,101.28 = 620,964.45/x
  3. Step 3: Cross multiply
    1,567,789.65x = 2,351,101.28 × 620,964.45
  4. Step 4: Simplify right side
    1,567,789.65x = 1,459,950,310,124.67
  5. Step 5: Solve for x
    x = 1,459,950,310,124.67/1,567,789.65
  6. Step 6: Final answer
    x = 931,215.68

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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.