Home / 1,240,179.58-1,860,534.99-430,589.31

Finding the Fourth Proportional to 1,240,179.58, 1,860,534.99 and 430,589.31

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Solution

The fourth proportional to 1,240,179.58, 1,860,534.99 and 430,589.31 is: 645,976.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,179.58 : 1,860,534.99 = 430,589.31 : x
  2. Step 2: Convert to fraction form
    1,240,179.58/1,860,534.99 = 430,589.31/x
  3. Step 3: Cross multiply
    1,240,179.58x = 1,860,534.99 × 430,589.31
  4. Step 4: Simplify right side
    1,240,179.58x = 801,126,468,272.28
  5. Step 5: Solve for x
    x = 801,126,468,272.28/1,240,179.58
  6. Step 6: Final answer
    x = 645,976.18

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1.5x scale

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.