Home / 814,182.74-1,123,577.63-451,612.77

Finding the Fourth Proportional to 814,182.74, 1,123,577.63 and 451,612.77

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Solution

The fourth proportional to 814,182.74, 1,123,577.63 and 451,612.77 is: 623,228.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,182.74 : 1,123,577.63 = 451,612.77 : x
  2. Step 2: Convert to fraction form
    814,182.74/1,123,577.63 = 451,612.77/x
  3. Step 3: Cross multiply
    814,182.74x = 1,123,577.63 × 451,612.77
  4. Step 4: Simplify right side
    814,182.74x = 507,422,001,016.40
  5. Step 5: Solve for x
    x = 507,422,001,016.40/814,182.74
  6. Step 6: Final answer
    x = 623,228.64

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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.