Home / 814,009.81-1,123,333.54-451,489.18

Finding the Fourth Proportional to 814,009.81, 1,123,333.54 and 451,489.18

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Solution

The fourth proportional to 814,009.81, 1,123,333.54 and 451,489.18 is: 623,055.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,009.81 : 1,123,333.54 = 451,489.18 : x
  2. Step 2: Convert to fraction form
    814,009.81/1,123,333.54 = 451,489.18/x
  3. Step 3: Cross multiply
    814,009.81x = 1,123,333.54 × 451,489.18
  4. Step 4: Simplify right side
    814,009.81x = 507,172,938,841.10
  5. Step 5: Solve for x
    x = 507,172,938,841.10/814,009.81
  6. Step 6: Final answer
    x = 623,055.07

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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.