Home / 835,624.98-1,254,323.07-520,303.86

Finding the Fourth Proportional to 835,624.98, 1,254,323.07 and 520,303.86

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Solution

The fourth proportional to 835,624.98, 1,254,323.07 and 520,303.86 is: 781,007.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,624.98 : 1,254,323.07 = 520,303.86 : x
  2. Step 2: Convert to fraction form
    835,624.98/1,254,323.07 = 520,303.86/x
  3. Step 3: Cross multiply
    835,624.98x = 1,254,323.07 × 520,303.86
  4. Step 4: Simplify right side
    835,624.98x = 652,629,135,008.05
  5. Step 5: Solve for x
    x = 652,629,135,008.05/835,624.98
  6. Step 6: Final answer
    x = 781,007.21

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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.