Home / 1,045,037.28-1,567,359.06-405,339.78

Finding the Fourth Proportional to 1,045,037.28, 1,567,359.06 and 405,339.78

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Solution

The fourth proportional to 1,045,037.28, 1,567,359.06 and 405,339.78 is: 607,933.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,037.28 : 1,567,359.06 = 405,339.78 : x
  2. Step 2: Convert to fraction form
    1,045,037.28/1,567,359.06 = 405,339.78/x
  3. Step 3: Cross multiply
    1,045,037.28x = 1,567,359.06 × 405,339.78
  4. Step 4: Simplify right side
    1,045,037.28x = 635,312,976,561.41
  5. Step 5: Solve for x
    x = 635,312,976,561.41/1,045,037.28
  6. Step 6: Final answer
    x = 607,933.31

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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.