Home / 814,312.73-1,123,886.31-451,853.33

Finding the Fourth Proportional to 814,312.73, 1,123,886.31 and 451,853.33

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Solution

The fourth proportional to 814,312.73, 1,123,886.31 and 451,853.33 is: 623,632.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,312.73 : 1,123,886.31 = 451,853.33 : x
  2. Step 2: Convert to fraction form
    814,312.73/1,123,886.31 = 451,853.33/x
  3. Step 3: Cross multiply
    814,312.73x = 1,123,886.31 × 451,853.33
  4. Step 4: Simplify right side
    814,312.73x = 507,831,771,714.91
  5. Step 5: Solve for x
    x = 507,831,771,714.91/814,312.73
  6. Step 6: Final answer
    x = 623,632.36

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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.