Home / 814,033.20-1,123,434.81-451,573.83

Finding the Fourth Proportional to 814,033.20, 1,123,434.81 and 451,573.83

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Solution

The fourth proportional to 814,033.20, 1,123,434.81 and 451,573.83 is: 623,210.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,033.20 : 1,123,434.81 = 451,573.83 : x
  2. Step 2: Convert to fraction form
    814,033.20/1,123,434.81 = 451,573.83/x
  3. Step 3: Cross multiply
    814,033.20x = 1,123,434.81 × 451,573.83
  4. Step 4: Simplify right side
    814,033.20x = 507,313,759,907.02
  5. Step 5: Solve for x
    x = 507,313,759,907.02/814,033.20
  6. Step 6: Final answer
    x = 623,210.16

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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.