Home / 1,140,086.88-1,573,309.44-630,778.32

Finding the Fourth Proportional to 1,140,086.88, 1,573,309.44 and 630,778.32

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Solution

The fourth proportional to 1,140,086.88, 1,573,309.44 and 630,778.32 is: 870,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,086.88 : 1,573,309.44 = 630,778.32 : x
  2. Step 2: Convert to fraction form
    1,140,086.88/1,573,309.44 = 630,778.32/x
  3. Step 3: Cross multiply
    1,140,086.88x = 1,573,309.44 × 630,778.32
  4. Step 4: Simplify right side
    1,140,086.88x = 992,409,485,403.34
  5. Step 5: Solve for x
    x = 992,409,485,403.34/1,140,086.88
  6. Step 6: Final answer
    x = 870,468.30

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Double scale
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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.