Home / 1,036,649.30-1,555,052.66-353,323.78

Finding the Fourth Proportional to 1,036,649.30, 1,555,052.66 and 353,323.78

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Solution

The fourth proportional to 1,036,649.30, 1,555,052.66 and 353,323.78 is: 530,012.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,649.30 : 1,555,052.66 = 353,323.78 : x
  2. Step 2: Convert to fraction form
    1,036,649.30/1,555,052.66 = 353,323.78/x
  3. Step 3: Cross multiply
    1,036,649.30x = 1,555,052.66 × 353,323.78
  4. Step 4: Simplify right side
    1,036,649.30x = 549,437,083,930.26
  5. Step 5: Solve for x
    x = 549,437,083,930.26/1,036,649.30
  6. Step 6: Final answer
    x = 530,012.50

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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.