Home / 814,091.18-1,123,512.93-451,631.70

Finding the Fourth Proportional to 814,091.18, 1,123,512.93 and 451,631.70

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Solution

The fourth proportional to 814,091.18, 1,123,512.93 and 451,631.70 is: 623,288.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,091.18 : 1,123,512.93 = 451,631.70 : x
  2. Step 2: Convert to fraction form
    814,091.18/1,123,512.93 = 451,631.70/x
  3. Step 3: Cross multiply
    814,091.18x = 1,123,512.93 × 451,631.70
  4. Step 4: Simplify right side
    814,091.18x = 507,414,054,547.88
  5. Step 5: Solve for x
    x = 507,414,054,547.88/814,091.18
  6. Step 6: Final answer
    x = 623,288.98

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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.