Home / 814,258.70-1,123,683.75-451,706.30

Finding the Fourth Proportional to 814,258.70, 1,123,683.75 and 451,706.30

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Solution

The fourth proportional to 814,258.70, 1,123,683.75 and 451,706.30 is: 623,358.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,258.70 : 1,123,683.75 = 451,706.30 : x
  2. Step 2: Convert to fraction form
    814,258.70/1,123,683.75 = 451,706.30/x
  3. Step 3: Cross multiply
    814,258.70x = 1,123,683.75 × 451,706.30
  4. Step 4: Simplify right side
    814,258.70x = 507,575,029,082.63
  5. Step 5: Solve for x
    x = 507,575,029,082.63/814,258.70
  6. Step 6: Final answer
    x = 623,358.44

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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.