Home / 814,152.57-1,123,665.09-451,693.20

Finding the Fourth Proportional to 814,152.57, 1,123,665.09 and 451,693.20

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Solution

The fourth proportional to 814,152.57, 1,123,665.09 and 451,693.20 is: 623,411.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,152.57 : 1,123,665.09 = 451,693.20 : x
  2. Step 2: Convert to fraction form
    814,152.57/1,123,665.09 = 451,693.20/x
  3. Step 3: Cross multiply
    814,152.57x = 1,123,665.09 × 451,693.20
  4. Step 4: Simplify right side
    814,152.57x = 507,551,880,230.39
  5. Step 5: Solve for x
    x = 507,551,880,230.39/814,152.57
  6. Step 6: Final answer
    x = 623,411.26

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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.