Home / 838,619.20-1,157,308.32-456,653.44

Finding the Fourth Proportional to 838,619.20, 1,157,308.32 and 456,653.44

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Solution

The fourth proportional to 838,619.20, 1,157,308.32 and 456,653.44 is: 630,189.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,619.20 : 1,157,308.32 = 456,653.44 : x
  2. Step 2: Convert to fraction form
    838,619.20/1,157,308.32 = 456,653.44/x
  3. Step 3: Cross multiply
    838,619.20x = 1,157,308.32 × 456,653.44
  4. Step 4: Simplify right side
    838,619.20x = 528,488,825,468.62
  5. Step 5: Solve for x
    x = 528,488,825,468.62/838,619.20
  6. Step 6: Final answer
    x = 630,189.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.