Home / 814,345.56-1,123,798.17-451,769.40

Finding the Fourth Proportional to 814,345.56, 1,123,798.17 and 451,769.40

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Solution

The fourth proportional to 814,345.56, 1,123,798.17 and 451,769.40 is: 623,442.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,345.56 : 1,123,798.17 = 451,769.40 : x
  2. Step 2: Convert to fraction form
    814,345.56/1,123,798.17 = 451,769.40/x
  3. Step 3: Cross multiply
    814,345.56x = 1,123,798.17 × 451,769.40
  4. Step 4: Simplify right side
    814,345.56x = 507,697,624,982.00
  5. Step 5: Solve for x
    x = 507,697,624,982.00/814,345.56
  6. Step 6: Final answer
    x = 623,442.49

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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.