Home / 814,406.91-1,124,016.44-451,947.19

Finding the Fourth Proportional to 814,406.91, 1,124,016.44 and 451,947.19

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Solution

The fourth proportional to 814,406.91, 1,124,016.44 and 451,947.19 is: 623,761.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,406.91 : 1,124,016.44 = 451,947.19 : x
  2. Step 2: Convert to fraction form
    814,406.91/1,124,016.44 = 451,947.19/x
  3. Step 3: Cross multiply
    814,406.91x = 1,124,016.44 × 451,947.19
  4. Step 4: Simplify right side
    814,406.91x = 507,996,069,312.07
  5. Step 5: Solve for x
    x = 507,996,069,312.07/814,406.91
  6. Step 6: Final answer
    x = 623,761.98

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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.