Home / 814,261.35-1,123,815.39-451,802.01

Finding the Fourth Proportional to 814,261.35, 1,123,815.39 and 451,802.01

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Solution

The fourth proportional to 814,261.35, 1,123,815.39 and 451,802.01 is: 623,561.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,261.35 : 1,123,815.39 = 451,802.01 : x
  2. Step 2: Convert to fraction form
    814,261.35/1,123,815.39 = 451,802.01/x
  3. Step 3: Cross multiply
    814,261.35x = 1,123,815.39 × 451,802.01
  4. Step 4: Simplify right side
    814,261.35x = 507,742,052,070.93
  5. Step 5: Solve for x
    x = 507,742,052,070.93/814,261.35
  6. Step 6: Final answer
    x = 623,561.53

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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.