Home / 814,259.70-1,123,685.13-451,707.30

Finding the Fourth Proportional to 814,259.70, 1,123,685.13 and 451,707.30

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Solution

The fourth proportional to 814,259.70, 1,123,685.13 and 451,707.30 is: 623,359.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,259.70 : 1,123,685.13 = 451,707.30 : x
  2. Step 2: Convert to fraction form
    814,259.70/1,123,685.13 = 451,707.30/x
  3. Step 3: Cross multiply
    814,259.70x = 1,123,685.13 × 451,707.30
  4. Step 4: Simplify right side
    814,259.70x = 507,576,776,122.45
  5. Step 5: Solve for x
    x = 507,576,776,122.45/814,259.70
  6. Step 6: Final answer
    x = 623,359.82

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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.